diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index ade01d2d232bf6df86c2cbb43ef5c2324415ef5f..28931cd4715cc65b3e7ef129bfb6dd14f6daa92b 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -2761,6 +2761,14 @@ components:
           minItems: 1
       required:
         - msisdnRanges
+    SliceExpiryInfo :
+      description: Slice validity
+      type: object
+      properties:
+        pLMNInfo:
+          $ref: 'TS28541_NrNrm.yaml#/components/schemas/PlmnInfo'
+        expiryTime:
+          $ref: 'TS28623_ComDefs.yaml#/components/schemas/DateTime'        
     PcscfInfo:
       description: Information of a P-CSCF NF Instance
       type: object
@@ -2956,7 +2964,9 @@ components:
                     nTNPLMNInfoList:
                       $ref: '#/components/schemas/NTNPLMNRestrictionsInfo'
                     amfInfo:
-                      $ref: '#/components/schemas/AmfInfo'  
+                      $ref: '#/components/schemas/AmfInfo'
+                    sliceExpiryInfo:
+                      $ref: '#/components/schemas/SliceExpiryInfo'                      
         - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/ManagedFunction-ncO'
         - type: object
           properties:
diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index fac93a1e5080839d6f72a72049ab00f5faa5d067..b140c93b9545b3b93756113635214161d71092b2 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -59,6 +59,8 @@ components:
           $ref: 'TS28623_ComDefs.yaml#/components/schemas/PlmnId'
         snssai:
           $ref: '#/components/schemas/Snssai'
+        sliceExpiryTime:
+          $ref: 'TS28623_ComDefs.yaml#/components/schemas/DateTime'          
     PlmnInfoList:
       type: array
       items:
diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index 940a685992b426bc97788fa07e2343103b3f2ada..a9510e3d4f7825625fc4f7e259b2a0366226132e 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -414,7 +414,9 @@ components:
           $ref: '#/components/schemas/Float'
         uLPktDelayVariation:
           $ref: '#/components/schemas/Float'
-    
+        sliceSubnetAvailability:
+          $ref: 'TS28623_GenericNrm.yaml#/components/schemas/SchedulingTime'
+
     RANSliceSubnetProfile:
       type: object
       properties:
@@ -568,6 +570,8 @@ components:
           $ref: '#/components/schemas/Float'
         uLPktDelayVariation:
           $ref: '#/components/schemas/Float'
+        sliceSubnetAvailability:
+          $ref: 'TS28623_GenericNrm.yaml#/components/schemas/SchedulingTime'
 
     ServiceProfile:
       type: object
@@ -662,6 +666,8 @@ components:
             $ref: '#/components/schemas/Float'
           uLPktDelayVariation:
             $ref: '#/components/schemas/Float'
+          sliceAvailability:
+            $ref: 'TS28623_GenericNrm.yaml#/components/schemas/SchedulingTime'
 
     SliceProfile:
       type: object