diff --git a/pallets/namespace/src/lib.rs b/pallets/namespace/src/lib.rs
index ad9a8b76c..a449baaa6 100644
--- a/pallets/namespace/src/lib.rs
+++ b/pallets/namespace/src/lib.rs
@@ -461,7 +461,7 @@ pub mod pallet {
 
 				Self::update_activity(
 					&namespace_id,
-					IdentifierTypeOf::Auth,
+					IdentifierTypeOf::NameSpaceAuthorization,
 					CallTypeOf::Deauthorization,
 				)?;
 
@@ -573,7 +573,7 @@ pub mod pallet {
 				},
 			);
 
-			Self::update_activity(&identifier, IdentifierTypeOf::ChainSpace, CallTypeOf::Genesis)
+			Self::update_activity(&identifier, IdentifierTypeOf::NameSpace, CallTypeOf::Genesis)
 				.map_err(Error::<T>::from)?;
 
 			Self::deposit_event(Event::Create {
@@ -638,7 +638,7 @@ pub mod pallet {
 				NameSpaceDetailsOf::<T> { archive: true, ..namespace_details },
 			);
 
-			Self::update_activity(&namespace_id, IdentifierTypeOf::ChainSpace, CallTypeOf::Archive)
+			Self::update_activity(&namespace_id, IdentifierTypeOf::NameSpace, CallTypeOf::Archive)
 				.map_err(Error::<T>::from)?;
 
 			Self::deposit_event(Event::Archive { namespace: namespace_id, authority: creator });
@@ -698,7 +698,7 @@ pub mod pallet {
 				NameSpaceDetailsOf::<T> { archive: false, ..namespace_details },
 			);
 
-			Self::update_activity(&namespace_id, IdentifierTypeOf::ChainSpace, CallTypeOf::Restore)
+			Self::update_activity(&namespace_id, IdentifierTypeOf::NameSpace, CallTypeOf::Restore)
 				.map_err(Error::<T>::from)?;
 
 			Self::deposit_event(Event::Restore { namespace: namespace_id, authority: creator });
@@ -753,8 +753,12 @@ impl<T: Config> Pallet<T> {
 			},
 		);
 
-		Self::update_activity(&namespace_id, IdentifierTypeOf::Auth, CallTypeOf::Authorization)
-			.map_err(Error::<T>::from)?;
+		Self::update_activity(
+			&namespace_id,
+			IdentifierTypeOf::NameSpaceAuthorization,
+			CallTypeOf::Authorization,
+		)
+		.map_err(Error::<T>::from)?;
 
 		Self::deposit_event(Event::Authorization {
 			namespace: namespace_id,
diff --git a/primitives/identifier/src/curi.rs b/primitives/identifier/src/curi.rs
index 73cb3cf22..8fba7e22c 100644
--- a/primitives/identifier/src/curi.rs
+++ b/primitives/identifier/src/curi.rs
@@ -47,6 +47,8 @@ pub enum IdentifierType {
 	Entries,
 	RegistryAuthorization,
 	SchemaAccounts,
+	NameSpace,
+	NameSpaceAuthorization,
 }
 
 impl IdentifierType {
@@ -63,6 +65,8 @@ impl IdentifierType {
 	const IDENT_ENTRIES: u16 = 9944;
 	const IDENT_REGISTRYAUTH: u16 = 10001;
 	const IDENT_SCHEMA_ACCOUNTS: u16 = 10501;
+	const IDENT_NAMESPACE: u16 = 12501;
+	const IDENT_NAMESPACE_AUTH: u16 = 13101;
 
 	fn ident_value(&self) -> u16 {
 		match self {
@@ -79,6 +83,8 @@ impl IdentifierType {
 			IdentifierType::Entries => Self::IDENT_ENTRIES,
 			IdentifierType::RegistryAuthorization => Self::IDENT_REGISTRYAUTH,
 			IdentifierType::SchemaAccounts => Self::IDENT_SCHEMA_ACCOUNTS,
+			IdentifierType::NameSpace => Self::IDENT_NAMESPACE,
+			IdentifierType::NameSpaceAuthorization => Self::IDENT_NAMESPACE_AUTH,
 		}
 	}
 	fn from_u16(value: u16) -> Option<Self> {
@@ -96,6 +102,8 @@ impl IdentifierType {
 			9944 => Some(IdentifierType::Entries),
 			10001 => Some(IdentifierType::RegistryAuthorization),
 			10501 => Some(IdentifierType::SchemaAccounts),
+			12501 => Some(IdentifierType::NameSpace),
+			13101 => Some(IdentifierType::NameSpaceAuthorization),
 			_ => None,
 		}
 	}
diff --git a/primitives/identifier/src/types.rs b/primitives/identifier/src/types.rs
index 8db4c9c8d..de616a087 100644
--- a/primitives/identifier/src/types.rs
+++ b/primitives/identifier/src/types.rs
@@ -85,4 +85,6 @@ pub enum IdentifierTypeOf {
 	Entries,
 	RegistryAuthorization,
 	SchemaAccounts,
+	NameSpace,
+	NameSpaceAuthorization,
 }