diff --git a/docs/static/openapi.yml b/docs/static/openapi.yml
index 7f4296f7..40452509 100644
--- a/docs/static/openapi.yml
+++ b/docs/static/openapi.yml
@@ -50443,6 +50443,12 @@ paths:
                           custom method
 
                           signatures required by gogoproto.
+                    registrationPolicy:
+                      type: string
+                      enum:
+                        - PRIVATE
+                        - PUBLIC
+                      default: PRIVATE
               pagination:
                 type: object
                 properties:
@@ -50687,6 +50693,12 @@ paths:
                         custom method
 
                         signatures required by gogoproto.
+                  registrationPolicy:
+                    type: string
+                    enum:
+                      - PRIVATE
+                      - PUBLIC
+                    default: PRIVATE
         default:
           description: An unexpected error response.
           schema:
@@ -81472,6 +81484,12 @@ definitions:
                 method
 
                 signatures required by gogoproto.
+          registrationPolicy:
+            type: string
+            enum:
+              - PRIVATE
+              - PUBLIC
+            default: PRIVATE
       fee:
         type: object
         properties:
@@ -81657,6 +81675,12 @@ definitions:
                 method
 
                 signatures required by gogoproto.
+          registrationPolicy:
+            type: string
+            enum:
+              - PRIVATE
+              - PUBLIC
+            default: PRIVATE
       fee:
         type: object
         properties:
@@ -81713,6 +81737,8 @@ definitions:
     type: object
   mycel.registry.MsgUpdateTextRecordResponse:
     type: object
+  mycel.registry.MsgUpdateTopLevelDomainRegistrationPolicyResponse:
+    type: object
   mycel.registry.MsgUpdateWalletRecordResponse:
     type: object
   mycel.registry.MsgWithdrawRegistrationFeeResponse:
@@ -81968,6 +81994,12 @@ definitions:
                   method
 
                   signatures required by gogoproto.
+            registrationPolicy:
+              type: string
+              enum:
+                - PRIVATE
+                - PUBLIC
+              default: PRIVATE
       pagination:
         type: object
         properties:
@@ -82182,6 +82214,12 @@ definitions:
                 method
 
                 signatures required by gogoproto.
+          registrationPolicy:
+            type: string
+            enum:
+              - PRIVATE
+              - PUBLIC
+            default: PRIVATE
   mycel.registry.QueryParamsResponse:
     type: object
     properties:
@@ -82201,6 +82239,12 @@ definitions:
     properties:
       role:
         type: string
+  mycel.registry.RegistrationPolicyType:
+    type: string
+    enum:
+      - PRIVATE
+      - PUBLIC
+    default: PRIVATE
   mycel.registry.SecondLevelDomainResponse:
     type: object
     properties:
@@ -82482,6 +82526,12 @@ definitions:
 
             NOTE: The amount field is an Int which implements the custom method
             signatures required by gogoproto.
+      registrationPolicy:
+        type: string
+        enum:
+          - PRIVATE
+          - PUBLIC
+        default: PRIVATE
   mycel.registry.TopLevelDomainFee:
     type: object
     properties:
diff --git a/proto/mycel/registry/query.proto b/proto/mycel/registry/query.proto
index 37c41039..6b5f75d3 100644
--- a/proto/mycel/registry/query.proto
+++ b/proto/mycel/registry/query.proto
@@ -16,53 +16,58 @@ option go_package = "github.com/mycel-domain/mycel/x/registry/types";
 
 // Query defines the gRPC querier service.
 service Query {
-  
+
   // Parameters queries the parameters of the module.
-  rpc Params (QueryParamsRequest) returns (QueryParamsResponse) {
+  rpc Params(QueryParamsRequest) returns (QueryParamsResponse) {
     option (google.api.http).get = "/mycel/registry/params";
-  
   }
-  
+
   // Queries a list of TopLevelDomain items.
-  rpc TopLevelDomain    (QueryGetTopLevelDomainRequest) returns (QueryGetTopLevelDomainResponse) {
-    option (google.api.http).get = "/mycel-domain/mycel/registry/top_level_domain/{name}";
-  
+  rpc TopLevelDomain(QueryGetTopLevelDomainRequest)
+      returns (QueryGetTopLevelDomainResponse) {
+    option (google.api.http).get =
+        "/mycel-domain/mycel/registry/top_level_domain/{name}";
   }
-  rpc TopLevelDomainAll (QueryAllTopLevelDomainRequest) returns (QueryAllTopLevelDomainResponse) {
-    option (google.api.http).get = "/mycel-domain/mycel/registry/top_level_domain";
-  
+  rpc TopLevelDomainAll(QueryAllTopLevelDomainRequest)
+      returns (QueryAllTopLevelDomainResponse) {
+    option (google.api.http).get =
+        "/mycel-domain/mycel/registry/top_level_domain";
   }
-  
+
   // Queries a list of SecondLevelDomain items.
-  rpc SecondLevelDomain    (QueryGetSecondLevelDomainRequest) returns (QueryGetSecondLevelDomainResponse) {
-    option (google.api.http).get = "/mycel/registry/second_level_domain/{name}/{parent}";
-  
+  rpc SecondLevelDomain(QueryGetSecondLevelDomainRequest)
+      returns (QueryGetSecondLevelDomainResponse) {
+    option (google.api.http).get =
+        "/mycel/registry/second_level_domain/{name}/{parent}";
   }
-  rpc SecondLevelDomainAll (QueryAllSecondLevelDomainRequest) returns (QueryAllSecondLevelDomainResponse) {
+  rpc SecondLevelDomainAll(QueryAllSecondLevelDomainRequest)
+      returns (QueryAllSecondLevelDomainResponse) {
     option (google.api.http).get = "/mycel/registry/second_level_domain";
-  
   }
-  
+
   // Queries a list of DomainOwnership items.
-  rpc DomainOwnership    (QueryGetDomainOwnershipRequest) returns (QueryGetDomainOwnershipResponse) {
-    option (google.api.http).get = "/mycel-domain/mycel/registry/domain_ownership/{owner}";
-  
+  rpc DomainOwnership(QueryGetDomainOwnershipRequest)
+      returns (QueryGetDomainOwnershipResponse) {
+    option (google.api.http).get =
+        "/mycel-domain/mycel/registry/domain_ownership/{owner}";
   }
-  rpc DomainOwnershipAll (QueryAllDomainOwnershipRequest) returns (QueryAllDomainOwnershipResponse) {
-    option (google.api.http).get = "/mycel-domain/mycel/registry/domain_ownership";
-  
+  rpc DomainOwnershipAll(QueryAllDomainOwnershipRequest)
+      returns (QueryAllDomainOwnershipResponse) {
+    option (google.api.http).get =
+        "/mycel-domain/mycel/registry/domain_ownership";
   }
-  
+
   // Queries a list of DomainRegistrationFee items.
-  rpc DomainRegistrationFee (QueryDomainRegistrationFeeRequest) returns (QueryDomainRegistrationFeeResponse) {
-    option (google.api.http).get = "/mycel-domain/mycel/registry/domain_registration_fee/{name}/{parent}";
-  
+  rpc DomainRegistrationFee(QueryDomainRegistrationFeeRequest)
+      returns (QueryDomainRegistrationFeeResponse) {
+    option (google.api.http).get =
+        "/mycel-domain/mycel/registry/domain_registration_fee/{name}/{parent}/{registerer}";
   }
-  
+
   // Queries a list of Role items.
-  rpc Role (QueryRoleRequest) returns (QueryRoleResponse) {
-    option (google.api.http).get = "/mycel-domain/mycel/registry/role/{domainName}/{address}";
-  
+  rpc Role(QueryRoleRequest) returns (QueryRoleResponse) {
+    option (google.api.http).get =
+        "/mycel-domain/mycel/registry/role/{domainName}/{address}";
   }
 }
 // QueryParamsRequest is request type for the Query/Params RPC method.
@@ -70,17 +75,15 @@ message QueryParamsRequest {}
 
 // QueryParamsResponse is response type for the Query/Params RPC method.
 message QueryParamsResponse {
-  
+
   // params holds all the parameters of this module.
-  Params params = 1 [(gogoproto.nullable) = false];
+  Params params = 1 [ (gogoproto.nullable) = false ];
 }
 
-message QueryGetTopLevelDomainRequest {
-  string name = 1;
-}
+message QueryGetTopLevelDomainRequest { string name = 1; }
 
 message QueryGetTopLevelDomainResponse {
-  TopLevelDomain topLevelDomain = 1 [(gogoproto.nullable) = false];
+  TopLevelDomain topLevelDomain = 1 [ (gogoproto.nullable) = false ];
 }
 
 message QueryAllTopLevelDomainRequest {
@@ -88,23 +91,25 @@ message QueryAllTopLevelDomainRequest {
 }
 
 message QueryAllTopLevelDomainResponse {
-  repeated TopLevelDomain                         topLevelDomain = 1 [(gogoproto.nullable) = false];
-           cosmos.base.query.v1beta1.PageResponse pagination     = 2;
+  repeated TopLevelDomain topLevelDomain = 1 [ (gogoproto.nullable) = false ];
+  cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
 message QueryGetSecondLevelDomainRequest {
-  string name   = 1;
+  string name = 1;
   string parent = 2;
 }
 
 message SecondLevelDomainResponse {
-  string                    name           = 1;
-  string                    parent         = 2;
-  google.protobuf.Timestamp expirationDate = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+  string name = 1;
+  string parent = 2;
+  google.protobuf.Timestamp expirationDate = 3
+      [ (gogoproto.stdtime) = true, (gogoproto.nullable) = false ];
 }
 
 message QueryGetSecondLevelDomainResponse {
-  SecondLevelDomainResponse secondLevelDomain = 1 [(gogoproto.nullable) = false];
+  SecondLevelDomainResponse secondLevelDomain = 1
+      [ (gogoproto.nullable) = false ];
 }
 
 message QueryAllSecondLevelDomainRequest {
@@ -112,16 +117,15 @@ message QueryAllSecondLevelDomainRequest {
 }
 
 message QueryAllSecondLevelDomainResponse {
-  repeated SecondLevelDomainResponse              secondLevelDomain = 1 [(gogoproto.nullable) = false];
-           cosmos.base.query.v1beta1.PageResponse pagination        = 2;
+  repeated SecondLevelDomainResponse secondLevelDomain = 1
+      [ (gogoproto.nullable) = false ];
+  cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
-message QueryGetDomainOwnershipRequest {
-  string owner = 1;
-}
+message QueryGetDomainOwnershipRequest { string owner = 1; }
 
 message QueryGetDomainOwnershipResponse {
-  DomainOwnership domainOwnership = 1 [(gogoproto.nullable) = false];
+  DomainOwnership domainOwnership = 1 [ (gogoproto.nullable) = false ];
 }
 
 message QueryAllDomainOwnershipRequest {
@@ -129,30 +133,31 @@ message QueryAllDomainOwnershipRequest {
 }
 
 message QueryAllDomainOwnershipResponse {
-  repeated DomainOwnership                        domainOwnership = 1 [(gogoproto.nullable) = false];
-           cosmos.base.query.v1beta1.PageResponse pagination      = 2;
+  repeated DomainOwnership domainOwnership = 1 [ (gogoproto.nullable) = false ];
+  cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
 message QueryDomainRegistrationFeeRequest {
-  string name                     = 1;
-  string parent                   = 2;
+  string name = 1;
+  string parent = 2;
   uint64 registrationPeriodInYear = 3;
+  string registerer = 4;
 }
 
 message QueryDomainRegistrationFeeResponse {
-           bool                     isRegistrable             = 1;
-  repeated cosmos.base.v1beta1.Coin fee                       = 2 [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"];
-           uint64                   registrationPeriodInYear  = 3;
-           uint64                   maxSubDomainRegistrations = 4;
-           string                   errorMessage              = 5;
+  bool isRegistrable = 1;
+  repeated cosmos.base.v1beta1.Coin fee = 2 [
+    (gogoproto.nullable) = false,
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"
+  ];
+  uint64 registrationPeriodInYear = 3;
+  uint64 maxSubDomainRegistrations = 4;
+  string errorMessage = 5;
 }
 
 message QueryRoleRequest {
   string domainName = 1;
-  string address    = 2;
-}
-
-message QueryRoleResponse {
-  string role = 1;
+  string address = 2;
 }
 
+message QueryRoleResponse { string role = 1; }
diff --git a/proto/mycel/registry/subdomain_config.proto b/proto/mycel/registry/subdomain_config.proto
index 30e2c78d..e75e03b5 100644
--- a/proto/mycel/registry/subdomain_config.proto
+++ b/proto/mycel/registry/subdomain_config.proto
@@ -6,6 +6,11 @@ import "mycel/registry/access_control.proto";
 
 option go_package = "github.com/mycel-domain/mycel/x/registry/types";
 
+enum RegistrationPolicyType {
+  PRIVATE = 0;
+  PUBLIC = 1;
+}
+
 message SubdomainRegistrationFees {
   repeated FeeByLength feeByLength = 1;
   repeated FeeByName feeByName = 2;
@@ -30,4 +35,5 @@ message SubdomainConfig {
   bool isRegistrable = 3;
   DomainRole registrableRole = 4;
   bool customExpirationDate = 5;
+  RegistrationPolicyType registrationPolicy = 6;
 }
diff --git a/proto/mycel/registry/top_level_domain.proto b/proto/mycel/registry/top_level_domain.proto
index a489963f..466a32e8 100644
--- a/proto/mycel/registry/top_level_domain.proto
+++ b/proto/mycel/registry/top_level_domain.proto
@@ -11,10 +11,8 @@ option go_package = "github.com/mycel-domain/mycel/x/registry/types";
 
 message TopLevelDomain {
   string name = 1;
-  google.protobuf.Timestamp expirationDate = 2 [
-    (gogoproto.stdtime) = true,
-    (gogoproto.nullable) = false
-  ];
+  google.protobuf.Timestamp expirationDate = 2
+      [ (gogoproto.stdtime) = true, (gogoproto.nullable) = false ];
   SubdomainConfig subdomainConfig = 3;
   uint64 subdomainCount = 4;
   repeated AccessControl accessControl = 5;
diff --git a/proto/mycel/registry/tx.proto b/proto/mycel/registry/tx.proto
index 53bb8a68..7a2ec14c 100644
--- a/proto/mycel/registry/tx.proto
+++ b/proto/mycel/registry/tx.proto
@@ -10,13 +10,14 @@ option go_package = "github.com/mycel-domain/mycel/x/registry/types";
 
 // Msg defines the Msg service.
 service Msg {
-  rpc UpdateWalletRecord                 (MsgUpdateWalletRecord                ) returns (MsgUpdateWalletRecordResponse                );
-  rpc UpdateDnsRecord                    (MsgUpdateDnsRecord                   ) returns (MsgUpdateDnsRecordResponse                   );
-  rpc RegisterSecondLevelDomain          (MsgRegisterSecondLevelDomain         ) returns (MsgRegisterSecondLevelDomainResponse         );
-  rpc RegisterTopLevelDomain             (MsgRegisterTopLevelDomain            ) returns (MsgRegisterTopLevelDomainResponse            );
-  rpc WithdrawRegistrationFee            (MsgWithdrawRegistrationFee           ) returns (MsgWithdrawRegistrationFeeResponse           );
-  rpc ExtendTopLevelDomainExpirationDate (MsgExtendTopLevelDomainExpirationDate) returns (MsgExtendTopLevelDomainExpirationDateResponse);
-  rpc UpdateTextRecord                   (MsgUpdateTextRecord                  ) returns (MsgUpdateTextRecordResponse                  );
+  rpc UpdateWalletRecord                     (MsgUpdateWalletRecord                    ) returns (MsgUpdateWalletRecordResponse                    );
+  rpc UpdateDnsRecord                        (MsgUpdateDnsRecord                       ) returns (MsgUpdateDnsRecordResponse                       );
+  rpc RegisterSecondLevelDomain              (MsgRegisterSecondLevelDomain             ) returns (MsgRegisterSecondLevelDomainResponse             );
+  rpc RegisterTopLevelDomain                 (MsgRegisterTopLevelDomain                ) returns (MsgRegisterTopLevelDomainResponse                );
+  rpc WithdrawRegistrationFee                (MsgWithdrawRegistrationFee               ) returns (MsgWithdrawRegistrationFeeResponse               );
+  rpc ExtendTopLevelDomainExpirationDate     (MsgExtendTopLevelDomainExpirationDate    ) returns (MsgExtendTopLevelDomainExpirationDateResponse    );
+  rpc UpdateTextRecord                       (MsgUpdateTextRecord                      ) returns (MsgUpdateTextRecordResponse                      );
+  rpc UpdateTopLevelDomainRegistrationPolicy (MsgUpdateTopLevelDomainRegistrationPolicy) returns (MsgUpdateTopLevelDomainRegistrationPolicyResponse);
 }
 message MsgUpdateWalletRecord {
   string creator          = 1;
@@ -88,3 +89,11 @@ message MsgUpdateTextRecord {
 
 message MsgUpdateTextRecordResponse {}
 
+message MsgUpdateTopLevelDomainRegistrationPolicy {
+  string creator            = 1;
+  string name               = 2;
+  string registrationPolicy = 3;
+}
+
+message MsgUpdateTopLevelDomainRegistrationPolicyResponse {}
+
diff --git a/x/registry/client/cli/tx.go b/x/registry/client/cli/tx.go
index c51bdfac..727d7dcd 100644
--- a/x/registry/client/cli/tx.go
+++ b/x/registry/client/cli/tx.go
@@ -36,6 +36,7 @@ func GetTxCmd() *cobra.Command {
 	cmd.AddCommand(CmdWithdrawRegistrationFee())
 	cmd.AddCommand(CmdExtendTopLevelDomainExpirationDate())
 	cmd.AddCommand(CmdUpdateTextRecord())
+	cmd.AddCommand(CmdUpdateTopLevelDomainRegistrationPolicy())
 	// this line is used by starport scaffolding # 1
 
 	return cmd
diff --git a/x/registry/client/cli/tx_update_top_level_domain_registration_policy.go b/x/registry/client/cli/tx_update_top_level_domain_registration_policy.go
new file mode 100644
index 00000000..ed778850
--- /dev/null
+++ b/x/registry/client/cli/tx_update_top_level_domain_registration_policy.go
@@ -0,0 +1,46 @@
+package cli
+
+import (
+	"strconv"
+
+	"github.com/spf13/cobra"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/tx"
+
+	"github.com/mycel-domain/mycel/x/registry/types"
+)
+
+var _ = strconv.Itoa(0)
+
+func CmdUpdateTopLevelDomainRegistrationPolicy() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "update-top-level-domain-registration-policy [name] [registration-policy]",
+		Short: "Broadcast message update-top-level-domain-registration-policy",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) (err error) {
+			argName := args[0]
+			argRegistrationPolicy := args[1]
+
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			msg := types.NewMsgUpdateTopLevelDomainRegistrationPolicy(
+				clientCtx.GetFromAddress().String(),
+				argName,
+				argRegistrationPolicy,
+			)
+			if err := msg.ValidateBasic(); err != nil {
+				return err
+			}
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+
+	return cmd
+}
diff --git a/x/registry/keeper/events.go b/x/registry/keeper/events.go
index ec6f830f..8be2aef7 100644
--- a/x/registry/keeper/events.go
+++ b/x/registry/keeper/events.go
@@ -95,3 +95,13 @@ func EmitExtendTopLevelDomainExpirationDateEvent(ctx sdk.Context, domain types.T
 		),
 	)
 }
+
+// Update top-level-domain registration policy
+func EmitUpdateTopLevelDomainRegistrationPolicyEvent(ctx sdk.Context, domain types.TopLevelDomain) {
+	ctx.EventManager().EmitEvent(
+		sdk.NewEvent(types.EventTypeUpdateTopLevelDomainRegistrationPolicy,
+			sdk.NewAttribute(types.AttributeUpdateTopLevelDomainRegistrationPolicyEventDomainName, domain.Name),
+			sdk.NewAttribute(types.AttributeUpdateTopLevelDomainRegistrationPolicyEventRegistrationPolicy, domain.SubdomainConfig.RegistrationPolicy.String()),
+		),
+	)
+}
diff --git a/x/registry/keeper/msg_server_register_second_level_domain_test.go b/x/registry/keeper/msg_server_register_second_level_domain_test.go
index 102a3ba1..071cdaa6 100644
--- a/x/registry/keeper/msg_server_register_second_level_domain_test.go
+++ b/x/registry/keeper/msg_server_register_second_level_domain_test.go
@@ -73,6 +73,23 @@ func (suite *KeeperTestSuite) TestRegisterSecondLevelDomain() {
 			fn: func() {
 			},
 		},
+		{
+			creator:                  testutil.Bob,
+			name:                     "foo",
+			parent:                   "alice",
+			registrationPeriodInYear: 1,
+			domainOwnership: types.DomainOwnership{
+				Owner:   testutil.Alice,
+				Domains: []*types.OwnedDomain{{Name: "foo", Parent: "alice"}},
+			},
+			expErr: errorsmod.Wrapf(types.ErrNotAllowedRegisterDomain, "alice"),
+			fn: func() {
+				owner := testutil.Alice
+				// Create .bob TLD by Alice
+				_, _, err := suite.app.RegistryKeeper.RegisterTopLevelDomain(suite.ctx, owner, "alice", 1)
+				suite.Require().Nil(err)
+			},
+		},
 	}
 
 	for i, tc := range testCases {
diff --git a/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go b/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go
new file mode 100644
index 00000000..86f5fbb5
--- /dev/null
+++ b/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go
@@ -0,0 +1,20 @@
+package keeper
+
+import (
+	"context"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/mycel-domain/mycel/x/registry/types"
+)
+
+func (k msgServer) UpdateTopLevelDomainRegistrationPolicy(goCtx context.Context, msg *types.MsgUpdateTopLevelDomainRegistrationPolicy) (*types.MsgUpdateTopLevelDomainRegistrationPolicyResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	err := k.Keeper.UpdateTopLevelDomainRegistrationPolicy(ctx, msg.Creator, msg.Name, msg.RegistrationPolicy)
+	if err != nil {
+		return nil, err
+	}
+
+	return &types.MsgUpdateTopLevelDomainRegistrationPolicyResponse{}, nil
+}
diff --git a/x/registry/keeper/msg_server_update_top_level_domain_registration_policy_test.go b/x/registry/keeper/msg_server_update_top_level_domain_registration_policy_test.go
new file mode 100644
index 00000000..cdeb4eb0
--- /dev/null
+++ b/x/registry/keeper/msg_server_update_top_level_domain_registration_policy_test.go
@@ -0,0 +1,101 @@
+package keeper_test
+
+import (
+	"fmt"
+
+	errorsmod "cosmossdk.io/errors"
+
+	"github.com/mycel-domain/mycel/testutil"
+	"github.com/mycel-domain/mycel/x/registry/types"
+)
+
+func (suite *KeeperTestSuite) TestUpdateTopLevelDomainRegistrationPolicy() {
+	testCases := []struct {
+		creator            string
+		name               string
+		registrationPolicy string
+		expErr             error
+		fn                 func()
+	}{
+		{
+			creator:            testutil.Alice,
+			name:               "tcel",
+			registrationPolicy: "PUBLIC",
+			expErr:             nil,
+			fn:                 func() {},
+		},
+		{
+			creator:            testutil.Alice,
+			name:               "tcel",
+			registrationPolicy: "PRIVATE",
+			expErr:             nil,
+			fn:                 func() {},
+		},
+		{
+			creator:            testutil.Alice,
+			name:               "tcel",
+			registrationPolicy: "INVALID",
+			expErr:             errorsmod.Wrapf(types.ErrInvalidRegistrationPolicy, "INVALID"),
+			fn:                 func() {},
+		},
+		{
+			creator:            testutil.Alice,
+			name:               "invalid",
+			registrationPolicy: "PUBLIC",
+			expErr:             errorsmod.Wrapf(types.ErrTopLevelDomainNotFound, "invalid"),
+			fn:                 func() {},
+		},
+		{
+			creator:            testutil.Bob,
+			name:               "tcel",
+			registrationPolicy: "PUBLIC",
+			expErr:             errorsmod.Wrapf(types.ErrTopLevelDomainNotEditable, "%s", testutil.Bob),
+			fn:                 func() {},
+		},
+	}
+	for i, tc := range testCases {
+		suite.Run(fmt.Sprintf("Case %d", i), func() {
+			suite.SetupTest()
+
+			// Register top level domain
+			registerTopLevelDomainMsg := &types.MsgRegisterTopLevelDomain{
+				Creator:                  testutil.Alice,
+				Name:                     tc.name,
+				RegistrationPeriodInYear: 1,
+			}
+			if tc.name != "invalid" {
+				_, err := suite.msgServer.RegisterTopLevelDomain(suite.ctx, registerTopLevelDomainMsg)
+				suite.Require().Nil(err)
+			}
+
+			// Run test case function
+			tc.fn()
+
+			// Update dns record
+			msgUpdateTopLevelDomainRegistrationPolicy := &types.MsgUpdateTopLevelDomainRegistrationPolicy{
+				Creator:            tc.creator,
+				Name:               tc.name,
+				RegistrationPolicy: tc.registrationPolicy,
+			}
+
+			_, err := suite.msgServer.UpdateTopLevelDomainRegistrationPolicy(suite.ctx, msgUpdateTopLevelDomainRegistrationPolicy)
+
+			if tc.expErr == nil {
+				// Check if the record is updated
+				suite.Require().Nil(err)
+				res, _ := suite.app.RegistryKeeper.GetTopLevelDomain(suite.ctx, tc.name)
+				suite.Require().Equal(tc.registrationPolicy, res.GetSubdomainConfig().RegistrationPolicy.String())
+				// Evalute events
+				events, found := testutil.FindEventsByType(suite.ctx.EventManager().Events(), types.EventTypeUpdateTopLevelDomainRegistrationPolicy)
+				suite.Require().True(found)
+
+				for _, event := range events {
+					suite.Require().Equal(tc.name, event.Attributes[0].Value)
+					suite.Require().Equal(tc.registrationPolicy, event.Attributes[1].Value)
+				}
+			} else {
+				suite.Require().EqualError(err, tc.expErr.Error())
+			}
+		})
+	}
+}
diff --git a/x/registry/keeper/msg_server_withdraw_registration_fee_test.go b/x/registry/keeper/msg_server_withdraw_registration_fee_test.go
index 35bfaaaa..b3ff7618 100644
--- a/x/registry/keeper/msg_server_withdraw_registration_fee_test.go
+++ b/x/registry/keeper/msg_server_withdraw_registration_fee_test.go
@@ -34,7 +34,7 @@ func (suite *KeeperTestSuite) TestWithdrawRegistrationFee() {
 		suite.Run(fmt.Sprintf("Case %d", i), func() {
 			suite.SetupTest()
 
-			// Register top level domain
+			// Register top-level-domain
 			registerTopLevelDomainMsg := &types.MsgRegisterTopLevelDomain{
 				Creator:                  testutil.Alice,
 				Name:                     tc.topLevelDomainName,
@@ -42,8 +42,10 @@ func (suite *KeeperTestSuite) TestWithdrawRegistrationFee() {
 			}
 			_, err := suite.msgServer.RegisterTopLevelDomain(suite.ctx, registerTopLevelDomainMsg)
 			suite.Require().Nil(err)
+			err = suite.app.RegistryKeeper.UpdateTopLevelDomainRegistrationPolicy(suite.ctx, testutil.Alice, tc.topLevelDomainName, types.RegistrationPolicyType_PUBLIC.String())
+			suite.Require().Nil(err)
 
-			// Register second level domain
+			// Register second-level-domain
 			registerSecondLevelDomainMsg := &types.MsgRegisterSecondLevelDomain{
 				Creator:                  testutil.Bob,
 				Name:                     "foo",
diff --git a/x/registry/keeper/query_domain_registration_fee.go b/x/registry/keeper/query_domain_registration_fee.go
index c31a7f62..83749fb9 100644
--- a/x/registry/keeper/query_domain_registration_fee.go
+++ b/x/registry/keeper/query_domain_registration_fee.go
@@ -45,7 +45,7 @@ func (k Keeper) DomainRegistrationFee(goCtx context.Context, req *types.QueryDom
 		return &types.QueryDomainRegistrationFeeResponse{
 			IsRegistrable:             true,
 			Fee:                       fee.TotalFee,
-			RegistrationPeriodInYear:  1,
+			RegistrationPeriodInYear:  req.RegistrationPeriodInYear,
 			MaxSubDomainRegistrations: config.MaxSubdomainRegistrations,
 			ErrorMessage:              "",
 		}, nil
@@ -53,7 +53,11 @@ func (k Keeper) DomainRegistrationFee(goCtx context.Context, req *types.QueryDom
 
 	// Second level domain
 	domain := types.SecondLevelDomain{Name: req.Name, Parent: req.Parent}
-	err := k.ValidateSecondLevelDomainIsRegistrable(ctx, domain)
+	registerer, err := sdk.AccAddressFromBech32(req.Registerer)
+	if err != nil {
+		return nil, err
+	}
+	err = k.ValidateSecondLevelDomainIsRegistrable(ctx, domain, registerer)
 	if err != nil {
 		return createErrorResponse(err), nil
 	}
@@ -65,7 +69,7 @@ func (k Keeper) DomainRegistrationFee(goCtx context.Context, req *types.QueryDom
 	return &types.QueryDomainRegistrationFeeResponse{
 		IsRegistrable:             true,
 		Fee:                       sdk.NewCoins(fee),
-		RegistrationPeriodInYear:  1,
+		RegistrationPeriodInYear:  req.RegistrationPeriodInYear,
 		MaxSubDomainRegistrations: 0,
 		ErrorMessage:              "",
 	}, nil
diff --git a/x/registry/keeper/query_domain_registration_fee_test.go b/x/registry/keeper/query_domain_registration_fee_test.go
new file mode 100644
index 00000000..7149edd6
--- /dev/null
+++ b/x/registry/keeper/query_domain_registration_fee_test.go
@@ -0,0 +1,100 @@
+package keeper_test
+
+import (
+	errorsmod "cosmossdk.io/errors"
+
+	"github.com/mycel-domain/mycel/testutil"
+	"github.com/mycel-domain/mycel/x/registry/types"
+)
+
+func (suite *KeeperTestSuite) TestQueryDomainRegistrationFee() {
+	config := types.GetDefaultSubdomainConfig(1)
+	tcs := []struct {
+		desc   string
+		req    *types.QueryDomainRegistrationFeeRequest
+		resp   *types.QueryDomainRegistrationFeeResponse
+		expErr error
+		fn     func()
+	}{
+		{
+			desc: "Should register top-level-domain",
+			req: &types.QueryDomainRegistrationFeeRequest{
+				Name:                     "first",
+				Parent:                   "",
+				RegistrationPeriodInYear: 1,
+				Registerer:               testutil.Alice,
+			},
+			resp: &types.QueryDomainRegistrationFeeResponse{
+				IsRegistrable:             true,
+				RegistrationPeriodInYear:  1,
+				MaxSubDomainRegistrations: config.MaxSubdomainRegistrations,
+				ErrorMessage:              "",
+			},
+			expErr: nil,
+			fn:     func() {},
+		},
+		{
+			desc: "Should register second-level-domain",
+			req: &types.QueryDomainRegistrationFeeRequest{
+				Name:                     "first",
+				Parent:                   "cel",
+				RegistrationPeriodInYear: 1,
+				Registerer:               testutil.Alice,
+			},
+			resp: &types.QueryDomainRegistrationFeeResponse{
+				IsRegistrable:             true,
+				RegistrationPeriodInYear:  1,
+				MaxSubDomainRegistrations: 0,
+				ErrorMessage:              "",
+			},
+			expErr: nil,
+			fn:     func() {},
+		},
+		{
+			desc: "Should not register second-level-domain because of registration policy",
+			req: &types.QueryDomainRegistrationFeeRequest{
+				Name:                     "first",
+				Parent:                   "private",
+				RegistrationPeriodInYear: 1,
+				Registerer:               testutil.Bob,
+			},
+			resp: &types.QueryDomainRegistrationFeeResponse{
+				IsRegistrable:             false,
+				RegistrationPeriodInYear:  0,
+				MaxSubDomainRegistrations: 0,
+				ErrorMessage:              errorsmod.Wrapf(types.ErrNotAllowedRegisterDomain, "private").Error(),
+			},
+			expErr: nil,
+			fn: func() {
+				_, _, err := suite.app.RegistryKeeper.RegisterTopLevelDomain(suite.ctx, testutil.Alice, "private", 1)
+				suite.Require().Nil(err)
+			},
+		},
+	}
+	for _, tc := range tcs {
+		suite.Run(tc.desc, func() {
+			// Setup
+			suite.SetupTest()
+			tc.fn()
+
+			// Calculate fee
+			k := suite.app.RegistryKeeper
+
+			// Get DomainRegistrationFee
+			resp, err := k.DomainRegistrationFee(suite.ctx, tc.req)
+			suite.Require().Nil(err)
+
+			if tc.expErr == nil {
+				suite.Require().Nil(err)
+				suite.Require().Equal(tc.resp.IsRegistrable, resp.IsRegistrable)
+				suite.Require().Equal(tc.resp.RegistrationPeriodInYear, resp.RegistrationPeriodInYear)
+				suite.Require().Equal(tc.resp.MaxSubDomainRegistrations, resp.MaxSubDomainRegistrations)
+				// suite.Require().Equal(tc.resp.Fee, resp.Fee)
+				// suite.Require().Equal(tc.resp, resp)
+			} else {
+				suite.Require().NotNil(err)
+				suite.Require().Equal(tc.expErr.Error(), err.Error())
+			}
+		})
+	}
+}
diff --git a/x/registry/keeper/second_level_domain.go b/x/registry/keeper/second_level_domain.go
index 16c22611..a7d08580 100644
--- a/x/registry/keeper/second_level_domain.go
+++ b/x/registry/keeper/second_level_domain.go
@@ -175,7 +175,7 @@ func (k Keeper) PaySecondLevelDomainRegstrationFee(ctx sdk.Context, payer sdk.Ac
 }
 
 // Validate second-level-domain is registrable
-func (k Keeper) ValidateSecondLevelDomainIsRegistrable(ctx sdk.Context, secondLevelDomain types.SecondLevelDomain) error {
+func (k Keeper) ValidateSecondLevelDomainIsRegistrable(ctx sdk.Context, secondLevelDomain types.SecondLevelDomain, sldOwner sdk.AccAddress) error {
 	// Validate second-level-domain
 	err := secondLevelDomain.Validate()
 	if err != nil {
@@ -193,6 +193,14 @@ func (k Keeper) ValidateSecondLevelDomainIsRegistrable(ctx sdk.Context, secondLe
 		return errorsmod.Wrapf(types.ErrSecondLevelDomainParentDoesNotExist, "%s", secondLevelDomain.Parent)
 	}
 
+	// Check if the registering domain is allowed or not
+	isPrivate := parentDomain.SubdomainConfig.RegistrationPolicy == types.RegistrationPolicyType_PRIVATE
+	isOwner := parentDomain.GetRole(sldOwner.String()) == types.DomainRole_OWNER
+
+	if isPrivate && !isOwner {
+		return errorsmod.Wrapf(types.ErrNotAllowedRegisterDomain, "%s", parentDomain.Name)
+	}
+
 	// Check if parent domain has subdomain registration config
 	if parentDomain.SubdomainConfig.MaxSubdomainRegistrations <= parentDomain.SubdomainCount {
 		return errorsmod.Wrapf(types.ErrTopLevelDomainMaxSubdomainCountReached, "%d", parentDomain.SubdomainCount)
@@ -204,7 +212,7 @@ func (k Keeper) ValidateSecondLevelDomainIsRegistrable(ctx sdk.Context, secondLe
 // Register second level domain
 func (k Keeper) RegisterSecondLevelDomain(ctx sdk.Context, secondLevelDomain types.SecondLevelDomain, owner sdk.AccAddress, registrationPeriodIYear uint64) (err error) {
 	// Validate second-level-domain is registrable
-	err = k.ValidateSecondLevelDomainIsRegistrable(ctx, secondLevelDomain)
+	err = k.ValidateSecondLevelDomainIsRegistrable(ctx, secondLevelDomain, owner)
 	if err != nil {
 		return err
 	}
diff --git a/x/registry/keeper/top_level_domain.go b/x/registry/keeper/top_level_domain.go
index f6af0c94..6308ae52 100644
--- a/x/registry/keeper/top_level_domain.go
+++ b/x/registry/keeper/top_level_domain.go
@@ -240,3 +240,32 @@ func (k Keeper) ExtendTopLevelDomainExpirationDate(ctx sdk.Context, creator stri
 
 	return topLevelDomain, fee, err
 }
+
+func (k Keeper) UpdateTopLevelDomainRegistrationPolicy(ctx sdk.Context, creator string, domainName string, registrationPolicy string) (err error) {
+	// Get domain
+	topLevelDomain, found := k.GetTopLevelDomain(ctx, domainName)
+	if !found {
+		return errorsmod.Wrapf(types.ErrTopLevelDomainNotFound, "%s", domainName)
+	}
+
+	// Check if the domain is editable
+	_, err = topLevelDomain.IsEditable(creator)
+	if err != nil {
+		return err
+	}
+
+	// Validate registrationPolicy
+	rp, err := topLevelDomain.ValidateTopLevelDomainRegistrationPolicy(registrationPolicy)
+	if err != nil {
+		return err
+	}
+
+	// Update domain store
+	topLevelDomain.UpdateRegistrationPolicy(rp)
+	k.SetTopLevelDomain(ctx, topLevelDomain)
+
+	// Emit event
+	EmitUpdateTopLevelDomainRegistrationPolicyEvent(ctx, topLevelDomain)
+
+	return nil
+}
diff --git a/x/registry/module_simulation.go b/x/registry/module_simulation.go
index c3f2453a..e609d9ff 100644
--- a/x/registry/module_simulation.go
+++ b/x/registry/module_simulation.go
@@ -48,6 +48,10 @@ const (
 	// TODO: Determine the simulation weight value
 	defaultWeightMsgUpdateTextRecord int = 100
 
+	opWeightMsgUpdateTopLevelDomainRegistrationPolicy = "op_weight_msg_update_top_level_domain_registration_policy" //#nosec G101
+	// TODO: Determine the simulation weight value
+	defaultWeightMsgUpdateTopLevelDomainRegistrationPolicy int = 100
+
 	// this line is used by starport scaffolding # simapp/module/const
 )
 
@@ -142,6 +146,17 @@ func (am AppModule) WeightedOperations(simState module.SimulationState) []simtyp
 		registrysimulation.SimulateMsgUpdateTextRecord(am.accountKeeper, am.bankKeeper, am.keeper),
 	))
 
+	var weightMsgUpdateTopLevelDomainRegistrationPolicy int
+	simState.AppParams.GetOrGenerate(simState.Cdc, opWeightMsgUpdateTopLevelDomainRegistrationPolicy, &weightMsgUpdateTopLevelDomainRegistrationPolicy, nil,
+		func(_ *rand.Rand) {
+			weightMsgUpdateTopLevelDomainRegistrationPolicy = defaultWeightMsgUpdateTopLevelDomainRegistrationPolicy
+		},
+	)
+	operations = append(operations, simulation.NewWeightedOperation(
+		weightMsgUpdateTopLevelDomainRegistrationPolicy,
+		registrysimulation.SimulateMsgUpdateTopLevelDomainRegistrationPolicy(am.accountKeeper, am.bankKeeper, am.keeper),
+	))
+
 	// this line is used by starport scaffolding # simapp/module/operation
 
 	return operations
diff --git a/x/registry/simulation/update_top_level_domain_registration_policy.go b/x/registry/simulation/update_top_level_domain_registration_policy.go
new file mode 100644
index 00000000..c2e6fb83
--- /dev/null
+++ b/x/registry/simulation/update_top_level_domain_registration_policy.go
@@ -0,0 +1,30 @@
+package simulation
+
+import (
+	"math/rand"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+
+	"github.com/mycel-domain/mycel/x/registry/keeper"
+	"github.com/mycel-domain/mycel/x/registry/types"
+)
+
+func SimulateMsgUpdateTopLevelDomainRegistrationPolicy(
+	ak types.AccountKeeper,
+	bk types.BankKeeper,
+	k keeper.Keeper,
+) simtypes.Operation {
+	return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
+	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
+		simAccount, _ := simtypes.RandomAcc(r, accs)
+		msg := &types.MsgUpdateTopLevelDomainRegistrationPolicy{
+			Creator: simAccount.Address.String(),
+		}
+
+		// TODO: Handling the UpdateTopLevelDomainRegistrationPolicy simulation
+
+		return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "UpdateTopLevelDomainRegistrationPolicy simulation not implemented"), nil, nil
+	}
+}
diff --git a/x/registry/types/codec.go b/x/registry/types/codec.go
index 65fb969b..bf6d6381 100644
--- a/x/registry/types/codec.go
+++ b/x/registry/types/codec.go
@@ -14,6 +14,7 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&MsgWithdrawRegistrationFee{}, "registry/WithdrawRegistrationFee", nil)
 	cdc.RegisterConcrete(&MsgExtendTopLevelDomainExpirationDate{}, "registry/ExtendTopLevelDomainExpirationDate", nil)
 	cdc.RegisterConcrete(&MsgUpdateTextRecord{}, "registry/UpdateTextRecord", nil)
+	cdc.RegisterConcrete(&MsgUpdateTopLevelDomainRegistrationPolicy{}, "registry/UpdateTopLevelDomainRegistrationPolicy", nil)
 	// this line is used by starport scaffolding # 2
 }
 
@@ -36,6 +37,9 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	registry.RegisterImplementations((*sdk.Msg)(nil),
 		&MsgUpdateTextRecord{},
 	)
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgUpdateTopLevelDomainRegistrationPolicy{},
+	)
 	// this line is used by starport scaffolding # 3
 
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
diff --git a/x/registry/types/errors.go b/x/registry/types/errors.go
index d8f5ee9d..02d1b591 100644
--- a/x/registry/types/errors.go
+++ b/x/registry/types/errors.go
@@ -47,3 +47,9 @@ var (
 	ErrNoWithdrawalAmountToWithdraw = errorsmod.Register(ModuleName, 1302, "no registration fee to withdraw")
 	ErrInvalidDenom                 = errorsmod.Register(ModuleName, 1303, "invalid denom")
 )
+
+// policy sentinel errors
+var (
+	ErrInvalidRegistrationPolicy = errorsmod.Register(ModuleName, 1400, "invalid registration policy")
+	ErrNotAllowedRegisterDomain  = errorsmod.Register(ModuleName, 1401, "not allowed to regsiter under private domain")
+)
diff --git a/x/registry/types/events.go b/x/registry/types/events.go
index 7eadb7aa..14b2f4cc 100644
--- a/x/registry/types/events.go
+++ b/x/registry/types/events.go
@@ -72,3 +72,11 @@ const (
 	AttributeExtendTopLevelDomainExpirationDateEventRegistrationFeeToBurn     = "registration-fee-to-burn"
 	AttributeExtendTopLevelDomainExpirationDateEventRegistrationFeeToTreasury = "registration-fee-to-treasury"
 )
+
+// Update top-level-domain registration policy
+const (
+	EventTypeUpdateTopLevelDomainRegistrationPolicy = "update-top-level-domain-registration-policy"
+
+	AttributeUpdateTopLevelDomainRegistrationPolicyEventDomainName         = "name"
+	AttributeUpdateTopLevelDomainRegistrationPolicyEventRegistrationPolicy = "registration-policy"
+)
diff --git a/x/registry/types/genesis.go b/x/registry/types/genesis.go
index d1ea2234..543b3ebb 100644
--- a/x/registry/types/genesis.go
+++ b/x/registry/types/genesis.go
@@ -18,6 +18,7 @@ func GetDefaultTLDNames() []string {
 func GetDefaultTLDs() (defaultTLDs []TopLevelDomain) {
 	defaultRegistrationConfig := GetDefaultSubdomainConfig(3030)
 	defaultRegistrationConfig.MaxSubdomainRegistrations = math.MaxInt64
+	defaultRegistrationConfig.RegistrationPolicy = RegistrationPolicyType_PUBLIC
 	for _, v := range GetDefaultTLDNames() {
 		defaultTLDs = append(defaultTLDs, TopLevelDomain{
 			Name:            v,
diff --git a/x/registry/types/message_update_top_level_domain_registration_policy.go b/x/registry/types/message_update_top_level_domain_registration_policy.go
new file mode 100644
index 00000000..27e2bb07
--- /dev/null
+++ b/x/registry/types/message_update_top_level_domain_registration_policy.go
@@ -0,0 +1,49 @@
+package types
+
+import (
+	errorsmod "cosmossdk.io/errors"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+)
+
+const TypeMsgUpdateTopLevelDomainRegistrationPolicy = "update_top_level_domain_registration_policy"
+
+var _ sdk.Msg = &MsgUpdateTopLevelDomainRegistrationPolicy{}
+
+func NewMsgUpdateTopLevelDomainRegistrationPolicy(creator string, name string, registrationPolicy string) *MsgUpdateTopLevelDomainRegistrationPolicy {
+	return &MsgUpdateTopLevelDomainRegistrationPolicy{
+		Creator:            creator,
+		Name:               name,
+		RegistrationPolicy: registrationPolicy,
+	}
+}
+
+func (msg *MsgUpdateTopLevelDomainRegistrationPolicy) Route() string {
+	return RouterKey
+}
+
+func (msg *MsgUpdateTopLevelDomainRegistrationPolicy) Type() string {
+	return TypeMsgUpdateTopLevelDomainRegistrationPolicy
+}
+
+func (msg *MsgUpdateTopLevelDomainRegistrationPolicy) GetSigners() []sdk.AccAddress {
+	creator, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{creator}
+}
+
+func (msg *MsgUpdateTopLevelDomainRegistrationPolicy) GetSignBytes() []byte {
+	bz := ModuleCdc.MustMarshalJSON(msg)
+	return sdk.MustSortJSON(bz)
+}
+
+func (msg *MsgUpdateTopLevelDomainRegistrationPolicy) ValidateBasic() error {
+	_, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "invalid creator address (%s)", err)
+	}
+	return nil
+}
diff --git a/x/registry/types/message_update_top_level_domain_registration_policy_test.go b/x/registry/types/message_update_top_level_domain_registration_policy_test.go
new file mode 100644
index 00000000..88edd0e0
--- /dev/null
+++ b/x/registry/types/message_update_top_level_domain_registration_policy_test.go
@@ -0,0 +1,42 @@
+package types
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+
+	"github.com/mycel-domain/mycel/testutil/sample"
+)
+
+func TestMsgUpdateTopLevelDomainRegistrationPolicy_ValidateBasic(t *testing.T) {
+	tests := []struct {
+		name string
+		msg  MsgUpdateTopLevelDomainRegistrationPolicy
+		err  error
+	}{
+		{
+			name: "invalid address",
+			msg: MsgUpdateTopLevelDomainRegistrationPolicy{
+				Creator: "invalid_address",
+			},
+			err: sdkerrors.ErrInvalidAddress,
+		}, {
+			name: "valid address",
+			msg: MsgUpdateTopLevelDomainRegistrationPolicy{
+				Creator: sample.AccAddress(),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.msg.ValidateBasic()
+			if tt.err != nil {
+				require.ErrorIs(t, err, tt.err)
+				return
+			}
+			require.NoError(t, err)
+		})
+	}
+}
diff --git a/x/registry/types/query.pb.go b/x/registry/types/query.pb.go
index 4191c27d..c70dd825 100644
--- a/x/registry/types/query.pb.go
+++ b/x/registry/types/query.pb.go
@@ -743,6 +743,7 @@ type QueryDomainRegistrationFeeRequest struct {
 	Name                     string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	Parent                   string `protobuf:"bytes,2,opt,name=parent,proto3" json:"parent,omitempty"`
 	RegistrationPeriodInYear uint64 `protobuf:"varint,3,opt,name=registrationPeriodInYear,proto3" json:"registrationPeriodInYear,omitempty"`
+	Registerer               string `protobuf:"bytes,4,opt,name=registerer,proto3" json:"registerer,omitempty"`
 }
 
 func (m *QueryDomainRegistrationFeeRequest) Reset()         { *m = QueryDomainRegistrationFeeRequest{} }
@@ -799,6 +800,13 @@ func (m *QueryDomainRegistrationFeeRequest) GetRegistrationPeriodInYear() uint64
 	return 0
 }
 
+func (m *QueryDomainRegistrationFeeRequest) GetRegisterer() string {
+	if m != nil {
+		return m.Registerer
+	}
+	return ""
+}
+
 type QueryDomainRegistrationFeeResponse struct {
 	IsRegistrable             bool                                     `protobuf:"varint,1,opt,name=isRegistrable,proto3" json:"isRegistrable,omitempty"`
 	Fee                       github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=fee,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"fee"`
@@ -996,79 +1004,80 @@ func init() {
 func init() { proto.RegisterFile("mycel/registry/query.proto", fileDescriptor_0f2c8f2d33ba1956) }
 
 var fileDescriptor_0f2c8f2d33ba1956 = []byte{
-	// 1145 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x57, 0x4f, 0x6f, 0xdc, 0x44,
-	0x14, 0x8f, 0x93, 0x4d, 0x68, 0x5f, 0x21, 0x25, 0x43, 0x88, 0x36, 0x06, 0xbc, 0xe9, 0x94, 0xd2,
-	0x00, 0x8a, 0x27, 0x7f, 0x9a, 0x82, 0x4a, 0x91, 0x48, 0x88, 0x52, 0x10, 0xa1, 0x0d, 0x6e, 0x2f,
-	0x20, 0x55, 0x91, 0x77, 0x77, 0xe2, 0x18, 0xbc, 0x1e, 0xc7, 0xe3, 0x2d, 0x89, 0x56, 0x7b, 0xe9,
-	0x15, 0x21, 0x55, 0x42, 0x7c, 0x07, 0x40, 0x70, 0xe0, 0x80, 0x38, 0xf0, 0x01, 0xa8, 0x04, 0x87,
-	0x4a, 0x5c, 0x38, 0x51, 0x94, 0xf0, 0x2d, 0xb8, 0x20, 0x8f, 0xc7, 0xdd, 0xb5, 0xd7, 0x76, 0x76,
-	0xc3, 0x9e, 0xd6, 0x9e, 0xf7, 0x67, 0x7e, 0xef, 0x37, 0x3f, 0xbf, 0x37, 0x0b, 0x6a, 0xe3, 0xb0,
-	0x46, 0x1d, 0xe2, 0x53, 0xcb, 0xe6, 0x81, 0x7f, 0x48, 0xf6, 0x9b, 0xd4, 0x3f, 0xd4, 0x3d, 0x9f,
-	0x05, 0x0c, 0x4d, 0x0a, 0x9b, 0x1e, 0xdb, 0xd4, 0xd7, 0x6a, 0x8c, 0x37, 0x18, 0x27, 0x55, 0x93,
-	0xd3, 0xc8, 0x91, 0xdc, 0x5b, 0xaa, 0xd2, 0xc0, 0x5c, 0x22, 0x9e, 0x69, 0xd9, 0xae, 0x19, 0xd8,
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+	0xf2, 0x07, 0x8f, 0xf6, 0x75, 0xed, 0xf1, 0xbe, 0xae, 0xfd, 0xb3, 0xaf, 0x6b, 0x0f, 0x0f, 0xf4,
+	0x81, 0xc7, 0x07, 0xfa, 0xc0, 0x9f, 0x07, 0xfa, 0xc0, 0x27, 0x46, 0x62, 0xd0, 0xe6, 0x78, 0xdf,
+	0x4d, 0x1c, 0x43, 0xd1, 0xd0, 0x6d, 0x8c, 0x88, 0x3f, 0x21, 0x0b, 0xff, 0x05, 0x00, 0x00, 0xff,
+	0xff, 0xf1, 0x1a, 0xed, 0x4b, 0xd4, 0x10, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -2020,6 +2029,13 @@ func (m *QueryDomainRegistrationFeeRequest) MarshalToSizedBuffer(dAtA []byte) (i
 	_ = i
 	var l int
 	_ = l
+	if len(m.Registerer) > 0 {
+		i -= len(m.Registerer)
+		copy(dAtA[i:], m.Registerer)
+		i = encodeVarintQuery(dAtA, i, uint64(len(m.Registerer)))
+		i--
+		dAtA[i] = 0x22
+	}
 	if m.RegistrationPeriodInYear != 0 {
 		i = encodeVarintQuery(dAtA, i, uint64(m.RegistrationPeriodInYear))
 		i--
@@ -2412,6 +2428,10 @@ func (m *QueryDomainRegistrationFeeRequest) Size() (n int) {
 	if m.RegistrationPeriodInYear != 0 {
 		n += 1 + sovQuery(uint64(m.RegistrationPeriodInYear))
 	}
+	l = len(m.Registerer)
+	if l > 0 {
+		n += 1 + l + sovQuery(uint64(l))
+	}
 	return n
 }
 
@@ -4016,6 +4036,38 @@ func (m *QueryDomainRegistrationFeeRequest) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Registerer", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthQuery
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Registerer = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipQuery(dAtA[iNdEx:])
diff --git a/x/registry/types/query.pb.gw.go b/x/registry/types/query.pb.gw.go
index 40d94c7d..ce664946 100644
--- a/x/registry/types/query.pb.gw.go
+++ b/x/registry/types/query.pb.gw.go
@@ -344,7 +344,7 @@ func local_request_Query_DomainOwnershipAll_0(ctx context.Context, marshaler run
 }
 
 var (
-	filter_Query_DomainRegistrationFee_0 = &utilities.DoubleArray{Encoding: map[string]int{"name": 0, "parent": 1}, Base: []int{1, 1, 2, 0, 0}, Check: []int{0, 1, 1, 2, 3}}
+	filter_Query_DomainRegistrationFee_0 = &utilities.DoubleArray{Encoding: map[string]int{"name": 0, "parent": 1, "registerer": 2}, Base: []int{1, 1, 2, 3, 0, 0, 0}, Check: []int{0, 1, 1, 1, 2, 3, 4}}
 )
 
 func request_Query_DomainRegistrationFee_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
@@ -380,6 +380,17 @@ func request_Query_DomainRegistrationFee_0(ctx context.Context, marshaler runtim
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "parent", err)
 	}
 
+	val, ok = pathParams["registerer"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "registerer")
+	}
+
+	protoReq.Registerer, err = runtime.String(val)
+
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "registerer", err)
+	}
+
 	if err := req.ParseForm(); err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
@@ -425,6 +436,17 @@ func local_request_Query_DomainRegistrationFee_0(ctx context.Context, marshaler
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "parent", err)
 	}
 
+	val, ok = pathParams["registerer"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "registerer")
+	}
+
+	protoReq.Registerer, err = runtime.String(val)
+
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "registerer", err)
+	}
+
 	if err := req.ParseForm(); err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
@@ -965,7 +987,7 @@ var (
 
 	pattern_Query_DomainOwnershipAll_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"mycel-domain", "mycel", "registry", "domain_ownership"}, "", runtime.AssumeColonVerbOpt(true)))
 
-	pattern_Query_DomainRegistrationFee_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 1, 0, 4, 1, 5, 4, 1, 0, 4, 1, 5, 5}, []string{"mycel-domain", "mycel", "registry", "domain_registration_fee", "name", "parent"}, "", runtime.AssumeColonVerbOpt(true)))
+	pattern_Query_DomainRegistrationFee_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 1, 0, 4, 1, 5, 4, 1, 0, 4, 1, 5, 5, 1, 0, 4, 1, 5, 6}, []string{"mycel-domain", "mycel", "registry", "domain_registration_fee", "name", "parent", "registerer"}, "", runtime.AssumeColonVerbOpt(true)))
 
 	pattern_Query_Role_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 1, 0, 4, 1, 5, 4, 1, 0, 4, 1, 5, 5}, []string{"mycel-domain", "mycel", "registry", "role", "domainName", "address"}, "", runtime.AssumeColonVerbOpt(true)))
 )
diff --git a/x/registry/types/subdomain_config.go b/x/registry/types/subdomain_config.go
index 35127660..18622923 100644
--- a/x/registry/types/subdomain_config.go
+++ b/x/registry/types/subdomain_config.go
@@ -17,6 +17,7 @@ func GetDefaultSubdomainConfig(baseFee int64) SubdomainConfig {
 		SubdomainRegistrationFees: &SubdomainRegistrationFees{
 			DefaultFee: &defaultFee,
 		},
+		RegistrationPolicy: RegistrationPolicyType_PRIVATE,
 	}
 }
 
diff --git a/x/registry/types/subdomain_config.pb.go b/x/registry/types/subdomain_config.pb.go
index d7f50c2c..88331e5a 100644
--- a/x/registry/types/subdomain_config.pb.go
+++ b/x/registry/types/subdomain_config.pb.go
@@ -23,6 +23,31 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+type RegistrationPolicyType int32
+
+const (
+	RegistrationPolicyType_PRIVATE RegistrationPolicyType = 0
+	RegistrationPolicyType_PUBLIC  RegistrationPolicyType = 1
+)
+
+var RegistrationPolicyType_name = map[int32]string{
+	0: "PRIVATE",
+	1: "PUBLIC",
+}
+
+var RegistrationPolicyType_value = map[string]int32{
+	"PRIVATE": 0,
+	"PUBLIC":  1,
+}
+
+func (x RegistrationPolicyType) String() string {
+	return proto.EnumName(RegistrationPolicyType_name, int32(x))
+}
+
+func (RegistrationPolicyType) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_a1e8e4d1516ffeeb, []int{0}
+}
+
 type SubdomainRegistrationFees struct {
 	FeeByLength []*FeeByLength `protobuf:"bytes,1,rep,name=feeByLength,proto3" json:"feeByLength,omitempty"`
 	FeeByName   []*FeeByName   `protobuf:"bytes,2,rep,name=feeByName,proto3" json:"feeByName,omitempty"`
@@ -209,6 +234,7 @@ type SubdomainConfig struct {
 	IsRegistrable             bool                       `protobuf:"varint,3,opt,name=isRegistrable,proto3" json:"isRegistrable,omitempty"`
 	RegistrableRole           DomainRole                 `protobuf:"varint,4,opt,name=registrableRole,proto3,enum=mycel.registry.DomainRole" json:"registrableRole,omitempty"`
 	CustomExpirationDate      bool                       `protobuf:"varint,5,opt,name=customExpirationDate,proto3" json:"customExpirationDate,omitempty"`
+	RegistrationPolicy        RegistrationPolicyType     `protobuf:"varint,6,opt,name=registrationPolicy,proto3,enum=mycel.registry.RegistrationPolicyType" json:"registrationPolicy,omitempty"`
 }
 
 func (m *SubdomainConfig) Reset()         { *m = SubdomainConfig{} }
@@ -279,7 +305,15 @@ func (m *SubdomainConfig) GetCustomExpirationDate() bool {
 	return false
 }
 
+func (m *SubdomainConfig) GetRegistrationPolicy() RegistrationPolicyType {
+	if m != nil {
+		return m.RegistrationPolicy
+	}
+	return RegistrationPolicyType_PRIVATE
+}
+
 func init() {
+	proto.RegisterEnum("mycel.registry.RegistrationPolicyType", RegistrationPolicyType_name, RegistrationPolicyType_value)
 	proto.RegisterType((*SubdomainRegistrationFees)(nil), "mycel.registry.SubdomainRegistrationFees")
 	proto.RegisterType((*FeeByLength)(nil), "mycel.registry.FeeByLength")
 	proto.RegisterType((*FeeByName)(nil), "mycel.registry.FeeByName")
@@ -291,36 +325,39 @@ func init() {
 }
 
 var fileDescriptor_a1e8e4d1516ffeeb = []byte{
-	// 453 bytes of a gzipped FileDescriptorProto
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-	0x43, 0xe8, 0x03, 0x00, 0x00,
+	// 511 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x93, 0xdf, 0x8a, 0xd3, 0x40,
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+	0x59, 0x97, 0x4c, 0x84, 0x68, 0xee, 0xb4, 0x48, 0x67, 0xaf, 0xd7, 0x2c, 0x9a, 0x18, 0xe6, 0x32,
+	0x22, 0x44, 0x56, 0x6c, 0xa1, 0x3d, 0x78, 0xe0, 0xcf, 0xa4, 0x12, 0xd1, 0xd1, 0x7c, 0xca, 0x73,
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+	0x11, 0x72, 0x3f, 0x35, 0x6b, 0x5a, 0xfc, 0x69, 0x51, 0x9c, 0xdd, 0x22, 0x4f, 0xd3, 0x29, 0xb2,
+	0x92, 0x09, 0xcf, 0xbb, 0x70, 0x58, 0x4e, 0x53, 0x03, 0xee, 0x8d, 0xd9, 0xf1, 0xd9, 0xfb, 0xd3,
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+	0xc2, 0x22, 0x97, 0x0b, 0x8b, 0xfc, 0x59, 0x58, 0xe4, 0xfb, 0xd2, 0xaa, 0x5c, 0x2e, 0xad, 0xca,
+	0xef, 0xa5, 0x55, 0xf9, 0x62, 0x07, 0x5c, 0x5d, 0xcc, 0x3c, 0xdb, 0x17, 0x91, 0xa3, 0x2d, 0xbd,
+	0xcc, 0x4f, 0x3b, 0x2f, 0x9c, 0xf9, 0xfa, 0xf5, 0xab, 0x74, 0x8a, 0xd2, 0xab, 0xe9, 0x57, 0xff,
+	0xea, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x17, 0x0c, 0x15, 0xd4, 0x73, 0x04, 0x00, 0x00,
 }
 
 func (m *SubdomainRegistrationFees) Marshal() (dAtA []byte, err error) {
@@ -508,6 +545,11 @@ func (m *SubdomainConfig) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.RegistrationPolicy != 0 {
+		i = encodeVarintSubdomainConfig(dAtA, i, uint64(m.RegistrationPolicy))
+		i--
+		dAtA[i] = 0x30
+	}
 	if m.CustomExpirationDate {
 		i--
 		if m.CustomExpirationDate {
@@ -650,6 +692,9 @@ func (m *SubdomainConfig) Size() (n int) {
 	if m.CustomExpirationDate {
 		n += 2
 	}
+	if m.RegistrationPolicy != 0 {
+		n += 1 + sovSubdomainConfig(uint64(m.RegistrationPolicy))
+	}
 	return n
 }
 
@@ -1219,6 +1264,25 @@ func (m *SubdomainConfig) Unmarshal(dAtA []byte) error {
 				}
 			}
 			m.CustomExpirationDate = bool(v != 0)
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RegistrationPolicy", wireType)
+			}
+			m.RegistrationPolicy = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSubdomainConfig
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RegistrationPolicy |= RegistrationPolicyType(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipSubdomainConfig(dAtA[iNdEx:])
diff --git a/x/registry/types/top_level_domain.go b/x/registry/types/top_level_domain.go
index c63ee194..34840954 100644
--- a/x/registry/types/top_level_domain.go
+++ b/x/registry/types/top_level_domain.go
@@ -53,6 +53,10 @@ func (topLevelDomain *TopLevelDomain) ExtendExpirationDate(from time.Time, exten
 	return expirationDate
 }
 
+func (topLevelDomain *TopLevelDomain) UpdateRegistrationPolicy(rp RegistrationPolicyType) {
+	topLevelDomain.SubdomainConfig.RegistrationPolicy = rp
+}
+
 func (topLevelDomain TopLevelDomain) IsEditable(sender string) (isEditable bool, err error) {
 	role := topLevelDomain.GetRole(sender)
 	if role == DomainRole_NO_ROLE {
diff --git a/x/registry/types/tx.pb.go b/x/registry/types/tx.pb.go
index 46fa76cf..edfc0bc4 100644
--- a/x/registry/types/tx.pb.go
+++ b/x/registry/types/tx.pb.go
@@ -794,6 +794,110 @@ func (m *MsgUpdateTextRecordResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgUpdateTextRecordResponse proto.InternalMessageInfo
 
+type MsgUpdateTopLevelDomainRegistrationPolicy struct {
+	Creator            string `protobuf:"bytes,1,opt,name=creator,proto3" json:"creator,omitempty"`
+	Name               string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	RegistrationPolicy string `protobuf:"bytes,3,opt,name=registrationPolicy,proto3" json:"registrationPolicy,omitempty"`
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) Reset() {
+	*m = MsgUpdateTopLevelDomainRegistrationPolicy{}
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) String() string {
+	return proto.CompactTextString(m)
+}
+func (*MsgUpdateTopLevelDomainRegistrationPolicy) ProtoMessage() {}
+func (*MsgUpdateTopLevelDomainRegistrationPolicy) Descriptor() ([]byte, []int) {
+	return fileDescriptor_7a4e7619dfc6612f, []int{14}
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicy.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicy.Merge(m, src)
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicy.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicy proto.InternalMessageInfo
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) GetCreator() string {
+	if m != nil {
+		return m.Creator
+	}
+	return ""
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) GetRegistrationPolicy() string {
+	if m != nil {
+		return m.RegistrationPolicy
+	}
+	return ""
+}
+
+type MsgUpdateTopLevelDomainRegistrationPolicyResponse struct {
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) Reset() {
+	*m = MsgUpdateTopLevelDomainRegistrationPolicyResponse{}
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) String() string {
+	return proto.CompactTextString(m)
+}
+func (*MsgUpdateTopLevelDomainRegistrationPolicyResponse) ProtoMessage() {}
+func (*MsgUpdateTopLevelDomainRegistrationPolicyResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_7a4e7619dfc6612f, []int{15}
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicyResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicyResponse.Merge(m, src)
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicyResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgUpdateTopLevelDomainRegistrationPolicyResponse proto.InternalMessageInfo
+
 func init() {
 	proto.RegisterType((*MsgUpdateWalletRecord)(nil), "mycel.registry.MsgUpdateWalletRecord")
 	proto.RegisterType((*MsgUpdateWalletRecordResponse)(nil), "mycel.registry.MsgUpdateWalletRecordResponse")
@@ -809,59 +913,65 @@ func init() {
 	proto.RegisterType((*MsgExtendTopLevelDomainExpirationDateResponse)(nil), "mycel.registry.MsgExtendTopLevelDomainExpirationDateResponse")
 	proto.RegisterType((*MsgUpdateTextRecord)(nil), "mycel.registry.MsgUpdateTextRecord")
 	proto.RegisterType((*MsgUpdateTextRecordResponse)(nil), "mycel.registry.MsgUpdateTextRecordResponse")
+	proto.RegisterType((*MsgUpdateTopLevelDomainRegistrationPolicy)(nil), "mycel.registry.MsgUpdateTopLevelDomainRegistrationPolicy")
+	proto.RegisterType((*MsgUpdateTopLevelDomainRegistrationPolicyResponse)(nil), "mycel.registry.MsgUpdateTopLevelDomainRegistrationPolicyResponse")
 }
 
 func init() { proto.RegisterFile("mycel/registry/tx.proto", fileDescriptor_7a4e7619dfc6612f) }
 
 var fileDescriptor_7a4e7619dfc6612f = []byte{
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+	0x90, 0xed, 0xf1, 0x10, 0x2d, 0xeb, 0xcc, 0x08, 0xf4, 0x16, 0x95, 0xfc, 0x3e, 0xb2, 0xbd, 0x1e,
+	0xc0, 0x9f, 0x08, 0xd3, 0x30, 0x15, 0x4a, 0x50, 0x46, 0xc7, 0xa2, 0xa6, 0x83, 0xc2, 0x27, 0x02,
+	0x4c, 0x80, 0x58, 0x37, 0x9d, 0x0b, 0xe5, 0x3f, 0x07, 0x57, 0xb4, 0x5a, 0xc8, 0x3a, 0xf2, 0x8d,
+	0x8b, 0x11, 0xcc, 0x27, 0x81, 0x6b, 0xe5, 0x15, 0xd0, 0x3e, 0x24, 0x30, 0x99, 0x75, 0x74, 0xd9,
+	0x3b, 0x20, 0xb4, 0x9f, 0xa1, 0x4a, 0x4d, 0xed, 0x49, 0xe5, 0x84, 0xd6, 0xbd, 0x03, 0xba, 0xa0,
+	0x04, 0xee, 0x02, 0x5b, 0xad, 0x01, 0xc5, 0x35, 0xa8, 0xf9, 0x14, 0x6d, 0x83, 0x6a, 0x8f, 0xcc,
+	0x17, 0xa8, 0xd8, 0x5e, 0x2e, 0x3d, 0x72, 0xa4, 0x5d, 0x58, 0x80, 0xb9, 0x76, 0x0c, 0x83, 0x54,
+	0xde, 0x11, 0x98, 0xa8, 0x03, 0x6e, 0x51, 0xeb, 0xfc, 0x79, 0xb4, 0xe3, 0x9b, 0xec, 0xc0, 0xf7,
+	0x90, 0xc0, 0x6c, 0x24, 0x8f, 0x1a, 0x5b, 0x66, 0x13, 0x06, 0xdd, 0x06, 0x8b, 0x47, 0x6b, 0x20,
+	0xc3, 0x8b, 0x8d, 0x17, 0x4f, 0x6c, 0xf2, 0x6f, 0xf2, 0x62, 0x56, 0x20, 0xf9, 0x0a, 0x7d, 0xf2,
+	0x03, 0x99, 0xd9, 0xf6, 0xce, 0x9b, 0x88, 0x72, 0x05, 0x2d, 0x3c, 0xf6, 0x6a, 0x62, 0xdb, 0x70,
+	0x77, 0x35, 0x5b, 0x39, 0x90, 0xeb, 0x32, 0xd9, 0x44, 0xec, 0xee, 0x57, 0x09, 0x5f, 0x08, 0x08,
+	0xd1, 0xc1, 0x82, 0x7c, 0xf7, 0x61, 0xc8, 0x6e, 0x34, 0xb1, 0xfd, 0x33, 0xc9, 0xc5, 0x81, 0xcc,
+	0x84, 0xe8, 0x2b, 0x8b, 0x58, 0x51, 0x16, 0xb1, 0xaa, 0x2c, 0xe2, 0x03, 0x6a, 0x98, 0x6b, 0xb7,
+	0x8e, 0x7e, 0x4d, 0x27, 0xbe, 0xff, 0x9e, 0x5e, 0xd4, 0x0d, 0x77, 0x77, 0x3f, 0x27, 0xaa, 0xb4,
+	0x20, 0x55, 0x65, 0xc8, 0xff, 0xa4, 0x1c, 0x6d, 0x4f, 0x72, 0xcb, 0x16, 0x3a, 0x9e, 0x83, 0x23,
+	0x37, 0xef, 0x21, 0x7c, 0x20, 0x30, 0x9f, 0x75, 0xf4, 0x8d, 0x92, 0x8b, 0xa6, 0xd6, 0xf8, 0x37,
+	0x36, 0x4a, 0x96, 0xe1, 0x03, 0xd7, 0x15, 0xb7, 0xcb, 0xac, 0x99, 0x55, 0x18, 0xc5, 0x4a, 0x4c,
+	0x27, 0xbc, 0x3a, 0xc2, 0x8d, 0xc2, 0x0f, 0x02, 0xa9, 0x58, 0x6c, 0xfe, 0x8f, 0x32, 0x79, 0x4b,
+	0xe0, 0x6a, 0xa0, 0x1d, 0x5b, 0x58, 0xba, 0x58, 0x51, 0x1e, 0x86, 0xe4, 0x1e, 0x96, 0xab, 0x52,
+	0x56, 0x19, 0x46, 0x08, 0xd8, 0x14, 0x5c, 0x0b, 0x21, 0x11, 0x5c, 0xfb, 0xf7, 0x04, 0x96, 0xce,
+	0xec, 0x4d, 0x97, 0xad, 0xee, 0x8a, 0xd2, 0xbc, 0xa1, 0x96, 0xbb, 0xa4, 0x2e, 0x02, 0x63, 0xb7,
+	0xc4, 0xa8, 0xa6, 0x11, 0x62, 0x11, 0x56, 0x20, 0x1d, 0x9b, 0x4a, 0x2d, 0x81, 0xcc, 0xdf, 0x7e,
+	0x48, 0x66, 0x1d, 0x9d, 0x79, 0x0d, 0x4c, 0x48, 0x03, 0x9c, 0x6f, 0x3e, 0xab, 0xd0, 0x36, 0xc4,
+	0xa5, 0x62, 0xc1, 0x82, 0xb2, 0x52, 0x60, 0xa8, 0xb9, 0x53, 0x09, 0x91, 0x11, 0x02, 0x0c, 0xb7,
+	0xdc, 0x19, 0x13, 0x6c, 0xf1, 0x06, 0x26, 0xa2, 0xbb, 0xca, 0xcd, 0x90, 0x40, 0x91, 0x68, 0x6e,
+	0xb5, 0x1b, 0x74, 0x40, 0xa0, 0x08, 0x63, 0x11, 0xbd, 0x60, 0xa9, 0x4d, 0xbc, 0x46, 0x28, 0x97,
+	0x8e, 0x0d, 0x0d, 0xf6, 0x2d, 0xc3, 0x78, 0x94, 0xb2, 0x86, 0xfd, 0xbf, 0x08, 0x2c, 0x97, 0x89,
+	0x8f, 0x0d, 0xb6, 0xfe, 0x4c, 0x40, 0x88, 0x21, 0x75, 0xb7, 0x43, 0x42, 0x77, 0x76, 0xe3, 0xee,
+	0x9d, 0xcb, 0x2d, 0x20, 0xa7, 0xc1, 0x70, 0x8b, 0x92, 0x5c, 0x8f, 0x2c, 0xa8, 0x33, 0x10, 0x77,
+	0x23, 0x06, 0x28, 0xd8, 0xe5, 0x1b, 0x81, 0x85, 0x98, 0x5a, 0x70, 0x27, 0x3a, 0x6e, 0x07, 0x57,
+	0xee, 0xfe, 0xb9, 0x5d, 0x6b, 0x44, 0xd7, 0x1e, 0x1e, 0x9d, 0xf0, 0xe4, 0xf8, 0x84, 0x27, 0x7f,
+	0x4e, 0x78, 0xf2, 0xf1, 0x94, 0x4f, 0x1c, 0x9f, 0xf2, 0x89, 0x9f, 0xa7, 0x7c, 0xe2, 0xa5, 0x58,
+	0xd7, 0xee, 0xbc, 0x6d, 0x52, 0xfe, 0x63, 0xd9, 0x9f, 0x48, 0xa5, 0xba, 0xe7, 0x74, 0xa5, 0xf5,
+	0xe5, 0xfa, 0xbc, 0x47, 0xf4, 0xca, 0xbf, 0x00, 0x00, 0x00, 0xff, 0xff, 0x48, 0xd9, 0xd6, 0x2e,
+	0xcc, 0x0b, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -883,6 +993,7 @@ type MsgClient interface {
 	WithdrawRegistrationFee(ctx context.Context, in *MsgWithdrawRegistrationFee, opts ...grpc.CallOption) (*MsgWithdrawRegistrationFeeResponse, error)
 	ExtendTopLevelDomainExpirationDate(ctx context.Context, in *MsgExtendTopLevelDomainExpirationDate, opts ...grpc.CallOption) (*MsgExtendTopLevelDomainExpirationDateResponse, error)
 	UpdateTextRecord(ctx context.Context, in *MsgUpdateTextRecord, opts ...grpc.CallOption) (*MsgUpdateTextRecordResponse, error)
+	UpdateTopLevelDomainRegistrationPolicy(ctx context.Context, in *MsgUpdateTopLevelDomainRegistrationPolicy, opts ...grpc.CallOption) (*MsgUpdateTopLevelDomainRegistrationPolicyResponse, error)
 }
 
 type msgClient struct {
@@ -956,6 +1067,15 @@ func (c *msgClient) UpdateTextRecord(ctx context.Context, in *MsgUpdateTextRecor
 	return out, nil
 }
 
+func (c *msgClient) UpdateTopLevelDomainRegistrationPolicy(ctx context.Context, in *MsgUpdateTopLevelDomainRegistrationPolicy, opts ...grpc.CallOption) (*MsgUpdateTopLevelDomainRegistrationPolicyResponse, error) {
+	out := new(MsgUpdateTopLevelDomainRegistrationPolicyResponse)
+	err := c.cc.Invoke(ctx, "/mycel.registry.Msg/UpdateTopLevelDomainRegistrationPolicy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MsgServer is the server API for Msg service.
 type MsgServer interface {
 	UpdateWalletRecord(context.Context, *MsgUpdateWalletRecord) (*MsgUpdateWalletRecordResponse, error)
@@ -965,6 +1085,7 @@ type MsgServer interface {
 	WithdrawRegistrationFee(context.Context, *MsgWithdrawRegistrationFee) (*MsgWithdrawRegistrationFeeResponse, error)
 	ExtendTopLevelDomainExpirationDate(context.Context, *MsgExtendTopLevelDomainExpirationDate) (*MsgExtendTopLevelDomainExpirationDateResponse, error)
 	UpdateTextRecord(context.Context, *MsgUpdateTextRecord) (*MsgUpdateTextRecordResponse, error)
+	UpdateTopLevelDomainRegistrationPolicy(context.Context, *MsgUpdateTopLevelDomainRegistrationPolicy) (*MsgUpdateTopLevelDomainRegistrationPolicyResponse, error)
 }
 
 // UnimplementedMsgServer can be embedded to have forward compatible implementations.
@@ -992,6 +1113,9 @@ func (*UnimplementedMsgServer) ExtendTopLevelDomainExpirationDate(ctx context.Co
 func (*UnimplementedMsgServer) UpdateTextRecord(ctx context.Context, req *MsgUpdateTextRecord) (*MsgUpdateTextRecordResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateTextRecord not implemented")
 }
+func (*UnimplementedMsgServer) UpdateTopLevelDomainRegistrationPolicy(ctx context.Context, req *MsgUpdateTopLevelDomainRegistrationPolicy) (*MsgUpdateTopLevelDomainRegistrationPolicyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateTopLevelDomainRegistrationPolicy not implemented")
+}
 
 func RegisterMsgServer(s grpc1.Server, srv MsgServer) {
 	s.RegisterService(&_Msg_serviceDesc, srv)
@@ -1123,6 +1247,24 @@ func _Msg_UpdateTextRecord_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_UpdateTopLevelDomainRegistrationPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgUpdateTopLevelDomainRegistrationPolicy)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).UpdateTopLevelDomainRegistrationPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/mycel.registry.Msg/UpdateTopLevelDomainRegistrationPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).UpdateTopLevelDomainRegistrationPolicy(ctx, req.(*MsgUpdateTopLevelDomainRegistrationPolicy))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Msg_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "mycel.registry.Msg",
 	HandlerType: (*MsgServer)(nil),
@@ -1155,6 +1297,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "UpdateTextRecord",
 			Handler:    _Msg_UpdateTextRecord_Handler,
 		},
+		{
+			MethodName: "UpdateTopLevelDomainRegistrationPolicy",
+			Handler:    _Msg_UpdateTopLevelDomainRegistrationPolicy_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "mycel/registry/tx.proto",
@@ -1727,6 +1873,73 @@ func (m *MsgUpdateTextRecordResponse) MarshalToSizedBuffer(dAtA []byte) (int, er
 	return len(dAtA) - i, nil
 }
 
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.RegistrationPolicy) > 0 {
+		i -= len(m.RegistrationPolicy)
+		copy(dAtA[i:], m.RegistrationPolicy)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.RegistrationPolicy)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.Name) > 0 {
+		i -= len(m.Name)
+		copy(dAtA[i:], m.Name)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Name)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Creator) > 0 {
+		i -= len(m.Creator)
+		copy(dAtA[i:], m.Creator)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Creator)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintTx(dAtA []byte, offset int, v uint64) int {
 	offset -= sovTx(v)
 	base := offset
@@ -1991,6 +2204,36 @@ func (m *MsgUpdateTextRecordResponse) Size() (n int) {
 	return n
 }
 
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Creator)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.RegistrationPolicy)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	return n
+}
+
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
 func sovTx(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -3700,6 +3943,202 @@ func (m *MsgUpdateTextRecordResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MsgUpdateTopLevelDomainRegistrationPolicy) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgUpdateTopLevelDomainRegistrationPolicy: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgUpdateTopLevelDomainRegistrationPolicy: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Creator", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Creator = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RegistrationPolicy", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.RegistrationPolicy = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgUpdateTopLevelDomainRegistrationPolicyResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgUpdateTopLevelDomainRegistrationPolicyResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgUpdateTopLevelDomainRegistrationPolicyResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipTx(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
diff --git a/x/registry/types/validate_top_level_domain.go b/x/registry/types/validate_top_level_domain.go
index f9641f2b..69f5c7eb 100644
--- a/x/registry/types/validate_top_level_domain.go
+++ b/x/registry/types/validate_top_level_domain.go
@@ -19,6 +19,15 @@ func ValidateTopLevelDomainName(name string) (err error) {
 	return err
 }
 
+func (topLevelDomain TopLevelDomain) ValidateTopLevelDomainRegistrationPolicy(rps string) (RegistrationPolicyType, error) {
+	i, isFound := RegistrationPolicyType_value[rps]
+	if !isFound {
+		err := errorsmod.Wrapf(ErrInvalidRegistrationPolicy, "%s", rps)
+		return RegistrationPolicyType_PRIVATE, err
+	}
+	return RegistrationPolicyType(i), nil
+}
+
 func (topLevelDomain TopLevelDomain) ValidateName() (err error) {
 	err = ValidateTopLevelDomainName(topLevelDomain.Name)
 	return err