diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 205dc122b4af33171799f5230be03b54f736b795..a5723e176ab2a784be8fdb5ff421979eb840e8ad 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -1146,6 +1146,13 @@ components:
                       $ref: '#/components/schemas/NrPci'
                     nRTAC:
                       $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Tac'
+                    nTNTAClist:
+                      type: array
+                      uniqueItems: true
+                      items:
+                        $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Tac'
+                      minItems: 1
+                      maxItems: 12 
                     arfcnDL:
                       type: integer
                     arfcnUL: