diff --git a/entity-api-spec.yaml b/entity-api-spec.yaml
index e51684c7..878910d7 100644
--- a/entity-api-spec.yaml
+++ b/entity-api-spec.yaml
@@ -764,6 +764,12 @@ components:
         creation_action:
           type: string
           description: 'The associated action that represents the creation of that dataset'
+        intended_dataset_type:
+          type: string
+          description: 'The dataset type of the intended datasets that will be uploaded as part of the Upload.'
+        intended_organ:
+          type: string
+          description: 'The organ code representing the organ type that the data contained in the upload will be registered/associated with.'
     Upload:
       type: object
       properties:
diff --git a/src/schema/provenance_schema.yaml b/src/schema/provenance_schema.yaml
index f87ab52f..9c3d5836 100644
--- a/src/schema/provenance_schema.yaml
+++ b/src/schema/provenance_schema.yaml
@@ -1193,6 +1193,7 @@ ENTITIES:
           - validate_in_admin_group
       intended_dataset_type:
         type: string
+        required_on_create: true
         indexed: true
         description: The dataset type of the intended datasets that will be uploaded as part of the Upload.
         before_property_create_validators:
@@ -1200,6 +1201,7 @@ ENTITIES:
         before_property_update_validators:
           - validate_intended_dataset_type
       intended_organ: 
+        required_on_create: true
         type: string
         indexed: true
         description: The organ code representing the organ type that the data contained in the upload will be registered/associated with.