diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 1c21fe975539d880053d772a7f0638532ab1b5ee..d150a1405fb04a857b5b517e547881a432c6d664 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -109,6 +109,10 @@ components:
     NrTac:
       type: integer
       maximum: 16777215
+    NrTacList:
+      type: array
+      items:
+        $ref: '#/components/schemas/NrTac'
     Tai:
       type: object
       properties:
diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index 9a6b692422d4a04c5eb61f3f6cbba5405e359ee6..37d12bbd101a4ba2b990f99d83dc97a629cd7b95 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -314,7 +314,7 @@ components:
         maxNumberOfPDUSessions:
           type: integer
         coverageAreaTAList:
-          type: integer
+          $ref: 'TS28541_NrNrm.yaml#/components/schemas/NrTacList'
         resourceSharingLevel:
           $ref: '#/components/schemas/SharingLevel'
         dLMaxPktSize:
@@ -345,7 +345,7 @@ components:
       type: object
       properties:
         coverageAreaTAList:
-          type: integer
+          $ref: 'TS28541_NrNrm.yaml#/components/schemas/NrTacList'
         dLLatency:
           type: number
         uLLatency:
@@ -436,7 +436,7 @@ components:
         activityFactor:
           type: integer
         coverageAreaTAList:
-          type: integer
+          $ref: 'TS28541_NrNrm.yaml#/components/schemas/NrTacList'
         resourceSharingLevel:
           $ref: '#/components/schemas/SharingLevel'
         uEMobilityLevel:
@@ -748,10 +748,8 @@ components:
                   $ref: '#/components/schemas/XLThpt'
                 uLThptPerSliceSubnet:
                   $ref: '#/components/schemas/XLThpt'
-                coverageAreaTAIList:
-                  type: array
-                  items:
-                    type: string
+                coverageAreaTAList:
+                  $ref: 'TS28541_NrNrm.yaml#/components/schemas/NrTacList'
     FeasibilityCheckAndReservationJob-Single:
       allOf:
         - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'