diff --git a/OpenAPI/TS28312_IntentNrm.yaml b/OpenAPI/TS28312_IntentNrm.yaml
index 0146ba1703af495663253243ce89225a8e9b02cf..e6726fc270a26bb423fc27928b3e8af89e599337 100644
--- a/OpenAPI/TS28312_IntentNrm.yaml
+++ b/OpenAPI/TS28312_IntentNrm.yaml
@@ -12,6 +12,24 @@ externalDocs:
 paths: {}
 components:
   schemas:
+       
+   #-------Definition of concrete IOCs ----------#  
+
+    SubNetwork-Single:
+      allOf:
+      - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+      - type: object
+        properties:
+          attributes:
+            $ref: 'TS28623_GenericNrm.yaml#/components/schemas/SubNetwork-Attr'
+      - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/SubNetwork-ncO'
+      - type: object
+        properties:
+          SubNetwork:
+            $ref: '#/components/schemas/SubNetwork-Multiple'
+          Intent:
+            $ref: '#/components/schemas/Intent-Multiple'
+
     Intent-Single:
       allOf:
       - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'    
@@ -33,6 +51,7 @@ components:
               $ref: "#/components/schemas/IntentContext"
           intentFulfilmentInfo:
             $ref: "#/components/schemas/FulfilmentInfo"
+   #-------Definition of concrete IOCs ----------#  
 
    #-------Definition of the IntentExpectation dataType ----------#    
     IntentExpectation:
@@ -138,7 +157,7 @@ components:
         objectType:
           type: string
           enum:
-            - RAN_SubNetwrok  #value for Radio Network Expectation--#
+            - RAN_SubNetwork  #value for Radio Network Expectation--#
             - Service_Support  #value for Service Support Expectation--#
             - TBD    #-This will be added based on defined scenario specfic intent expectation-#
         objectInstance:
@@ -155,7 +174,7 @@ components:
         objectType:
           type: string
           enum:
-            - RAN_SubNetwrok  #value for Radio Network Expectation--#
+            - RAN_SubNetwork  #value for Radio Network Expectation--#
         objectInstance:
           $ref: "TS28623_ComDefs.yaml#/components/schemas/Dn"
         objectContexts:
@@ -804,6 +823,11 @@ components:
 
    
    #------Definition of JSON arrays for name-contained IOCs ---------------#
+
+    SubNetwork-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/SubNetwork-Single'
                                 
     Intent-Multiple:
       type: array
@@ -814,5 +838,6 @@ components:
    #----- Definitions in TS 28.312 for TS 28.532 --------------------------#
     resources-intentNrm:
       oneOf:
+       - $ref: '#/components/schemas/SubNetwork-Single'
        - $ref: '#/components/schemas/Intent-Single'
    #----- Definitions in TS 28.312 for TS 28.532 --------------------------#