diff --git a/land_registry/src/interface.cairo b/land_registry/src/interface.cairo
index 688f88e3..cac74521 100644
--- a/land_registry/src/interface.cairo
+++ b/land_registry/src/interface.cairo
@@ -1,7 +1,7 @@
 use starknet::ContractAddress;
 
-#[derive(Drop, Serde, starknet::Store)]
-struct Land {
+#[derive(Drop, Copy, Serde, starknet::Store)]
+pub struct Land {
     owner: ContractAddress,
     location: felt252,
     area: u256,
@@ -9,7 +9,7 @@ struct Land {
     last_transaction_timestamp: u64,
 }
 
-#[derive(Drop, Copy, Clone, Serde, starknet::Store)]
+#[derive(Drop, Copy, Clone, Serde, starknet::Store, PartialEq)]
 pub enum LandUse {
     Residential,
     Commercial,
@@ -29,13 +29,14 @@ impl LandUseIntoFelt252 of Into<LandUse, felt252> {
 }
 
 #[starknet::interface]
-trait ILandRegistry<TContractState> {
+pub trait ILandRegistry<TContractState> {
     fn register_land(
         ref self: TContractState, location: felt252, area: u256, land_use: LandUse,
     ) -> u256;
     //fn transfer_land(ref self: TContractState, land_id: u256, new_owner: ContractAddress);
     fn get_land(self: @TContractState, land_id: u256) -> Land;
     //fn get_owner_lands(self: @TContractState, owner_lands: ContractAddress) -> Array<u256>;
-//fn get_lands(self: @TContractState, owner: ContractAddress, location: felt252, land_use:
-//felt252) -> Array<u256>;
+    //fn get_lands(self: @TContractState, owner: ContractAddress, location: felt252, land_use:
+    //felt252) -> Array<u256>;
+    fn update_land(ref self: TContractState, land_id: u256, area: u256, land_use: LandUse);
 }
diff --git a/land_registry/src/land_register.cairo b/land_registry/src/land_register.cairo
index 1e98b4bf..92f99c03 100644
--- a/land_registry/src/land_register.cairo
+++ b/land_registry/src/land_register.cairo
@@ -1,5 +1,5 @@
 #[starknet::contract]
-mod LandRegistryContract {
+pub mod LandRegistryContract {
     use starknet::{get_caller_address, get_block_timestamp, ContractAddress};
     use land_registry::interface::{ILandRegistry, Land, LandUse};
     use core::array::ArrayTrait;
@@ -13,12 +13,18 @@ mod LandRegistryContract {
         land_count: u256,
     }
 
+
+    //What are we storing
+
+    //lands, owners.
+
     #[event]
     #[derive(Drop, starknet::Event)]
     enum Event {
         LandRegistered: LandRegistered,
         LandTransferred: LandTransferred,
         LandVerified: LandVerified,
+        LandUpdated: LandUpdated,
     }
 
     #[derive(Drop, starknet::Event)]
@@ -41,6 +47,12 @@ mod LandRegistryContract {
     struct LandVerified {
         land_id: u256,
     }
+    #[derive(Drop, Copy, starknet::Event)]
+    struct LandUpdated {
+        land_id: u256,
+        land_use: felt252,
+        area: u256
+    }
 
     #[abi(embed_v0)]
     impl LandRegistry of ILandRegistry<ContractState> {
@@ -48,8 +60,8 @@ mod LandRegistryContract {
             ref self: ContractState, location: felt252, area: u256, land_use: LandUse,
         ) -> u256 {
             let caller = get_caller_address();
-            let land_id = self.land_count.read() + 1;
             let timestamp = get_block_timestamp();
+            let land_id = timestamp.into() + 1;
 
             let new_land = Land {
                 owner: caller,
@@ -62,8 +74,6 @@ mod LandRegistryContract {
             self.lands.write(land_id, new_land);
             self.land_count.write(land_id);
 
-            //ToDo: write to owner lands
-
             self
                 .emit(
                     LandRegistered {
@@ -78,11 +88,14 @@ mod LandRegistryContract {
             land_id
         }
 
-
         fn get_land(self: @ContractState, land_id: u256) -> Land {
             self.lands.read(land_id)
         }
-    }
-    //Todo:
 
+        fn update_land(ref self: ContractState, land_id: u256, area: u256, land_use: LandUse) {
+            self.lands.write(land_id, Land { area, land_use, ..self.lands.read(land_id) });
+
+            self.emit(LandUpdated { land_id: land_id, area: area, land_use: land_use.into(), });
+        }
+    }
 }
diff --git a/land_registry/src/lib.cairo b/land_registry/src/lib.cairo
index c0431ad2..6c8513b1 100644
--- a/land_registry/src/lib.cairo
+++ b/land_registry/src/lib.cairo
@@ -1,2 +1,3 @@
-mod interface;
-mod land_register;
+pub mod interface;
+pub mod land_register;
+