diff --git a/OpenAPI/TS28623_MnSRegistryNrm.yaml b/OpenAPI/TS28623_MnSRegistryNrm.yaml
index 70e245c10285dfb6ea2ff55e24f72ca2a629f6f3..4c525b6c37d3a0500e2a997b893aac1fca2b79c0 100644
--- a/OpenAPI/TS28623_MnSRegistryNrm.yaml
+++ b/OpenAPI/TS28623_MnSRegistryNrm.yaml
@@ -53,15 +53,29 @@ components:
                $ref: 'TS28623_ComDefs.yaml#/components/schemas/UriRo'
              mnsScope:
                description: >-
-                 List of the managed object instances that can be accessed using the MnS.
-                 If a complete SubNetwork can be accessed using the MnS, this attribute may 
-                 contain the DN of the SubNetwork instead of the DNs of the individual managed 
-                 entities within the SubNetwork.
+                 It is used to provide information about the management scope of the Management Service. The management scope is 
+                 used to represent the set of managed object instances that can be accessed using the Management Service.
                type: array
                uniqueItems: true
                items:
-                 $ref: 'TS28623_ComDefs.yaml#/components/schemas/Dn'
+                 $ref: '#/components/schemas/MnsScope'
                minItems: 1
+    MnsScope:
+      description: ->
+        It defines the information about the management scope of the Management Service.
+      oneOf:
+        - type: array
+          uniqueItems: true
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/Dn'
+        - type: array
+          uniqueItems: true
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/GeoArea'
+        - type: array
+          uniqueItems: true
+          items:
+            $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Tai'
 
 #-------- Definition of YAML arrays for name-contained IOCs ----------------------