diff --git a/OpenAPI/5gcNrm.yaml b/OpenAPI/5gcNrm.yaml
index d086a6424f72a6b898bf5b6a940923322748f703..748056aff01eb37aa15bee1fbd4665eb52d5ede2 100644
--- a/OpenAPI/5gcNrm.yaml
+++ b/OpenAPI/5gcNrm.yaml
@@ -442,6 +442,16 @@ components:
 
 
 #-------- Definition of concrete IOCs --------------------------------------------
+    MnS:
+      oneOf:
+        - type: object
+          properties:
+            SubNetwork:
+              $ref: '#/components/schemas/SubNetwork-Multiple'
+        - type: object
+          properties:
+            ManagedElement:
+              $ref: '#/components/schemas/ManagedElement-Multiple'
 
     SubNetwork-Single:
       allOf:
@@ -1918,6 +1928,8 @@ components:
 
     resources-5gcNrm:
       oneOf:
+       - $ref: '#/components/schemas/MnS'
+       
        - $ref: '#/components/schemas/SubNetwork-Single'
        - $ref: '#/components/schemas/ManagedElement-Single'
        - $ref: '#/components/schemas/AmfFunction-Single'
diff --git a/OpenAPI/coslaNrm.yaml b/OpenAPI/coslaNrm.yaml
index ef7f1ca33bdf31a5a37551e609d7a04029690c30..f37793ce7aa415ac5b2cb1126efdc73e783f029f 100644
--- a/OpenAPI/coslaNrm.yaml
+++ b/OpenAPI/coslaNrm.yaml
@@ -58,6 +58,16 @@ components:
 
 
 #-------- Definition of concrete IOCs --------------------------------------------
+    MnS:
+      oneOf:
+        - type: object
+          properties:
+            SubNetwork:
+              $ref: '#/components/schemas/SubNetwork-Multiple'
+        - type: object
+          properties:
+            ManagedElement:
+              $ref: '#/components/schemas/ManagedElement-Multiple'
 
     SubNetwork-Single:
       allOf:
@@ -131,6 +141,15 @@ components:
                       $ref: 'comDefs.yaml#/components/schemas/Dn' 
                       
 #-------- Definition of JSON arrays for name-contained IOCs ----------------------
+    SubNetwork-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/SubNetwork-Single'
+
+    ManagedElement-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/ManagedElement-Single'
                                 
     AssuranceClosedControlLoop-Multiple:
       type: array
@@ -146,6 +165,7 @@ components:
 
     resources-coslaNrm:
       oneOf:
+       - $ref: '#/components/schemas/MnS'        
        - $ref: '#/components/schemas/AssuranceClosedControlLoop-Single'
        - $ref: '#/components/schemas/AssuranceGoal-Single'    
        - $ref: '#/components/schemas/SubNetwork-Single'
diff --git a/OpenAPI/nrNrm.yaml b/OpenAPI/nrNrm.yaml
index 1710001eec270c6d29cdbed90b6aea06b07088b9..6630f8c80ca5c5ade96ee96732a030a4dd7b6b3f 100644
--- a/OpenAPI/nrNrm.yaml
+++ b/OpenAPI/nrNrm.yaml
@@ -573,6 +573,17 @@ components:
 
 #-------- Definition of concrete IOCs --------------------------------------------
 
+    MnS:
+      oneOf:
+        - type: object
+          properties:
+            SubNetwork:
+              $ref: '#/components/schemas/SubNetwork-Multiple'
+        - type: object
+          properties:
+            ManagedElement:
+              $ref: '#/components/schemas/ManagedElement-Multiple'
+
     SubNetwork-Single:
       allOf:
         - $ref: 'genericNrm.yaml#/components/schemas/Top'
@@ -1819,6 +1830,8 @@ components:
 
     resources-nrNrm:
       oneOf:
+        - $ref: '#/components/schemas/MnS'
+
         - $ref: '#/components/schemas/SubNetwork-Single'
         - $ref: '#/components/schemas/ManagedElement-Single'
 
diff --git a/OpenAPI/sliceNrm.yaml b/OpenAPI/sliceNrm.yaml
index 2b155183cb45ef228dd19f523fabb63ca28241ee..4356f086fe637b5338a60b44ba0209a371ca4da1 100644
--- a/OpenAPI/sliceNrm.yaml
+++ b/OpenAPI/sliceNrm.yaml
@@ -304,6 +304,17 @@ components:
 
 #------------ Definition of concrete IOCs ----------------------------------------
 
+    MnS:
+      oneOf:
+        - type: object
+          properties:
+            SubNetwork:
+              $ref: '#/components/schemas/SubNetwork-Multiple'
+#        - type: object
+#          properties:
+#            ManagedElement:
+#              $ref: '#/components/schemas/ManagedElement-Multiple'
+
     SubNetwork-Single:
       allOf:
         - $ref: 'genericNrm.yaml#/components/schemas/Top'
@@ -410,6 +421,8 @@ components:
 
     resources-sliceNrm:
       oneOf:
+       - $ref: '#/components/schemas/MnS'
+
        - $ref: '#/components/schemas/SubNetwork-Single'
        - $ref: '#/components/schemas/NetworkSlice-Single'
        - $ref: '#/components/schemas/NetworkSliceSubnet-Single'