diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index de7a1980da969981b5d02cf06269754256b5addd..b51c774d1dfd0459dd4b17606f1793e5b46ce1c2 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -755,6 +755,19 @@ components:
           - M8
           - M9
           - MDT_UE_LOCATION
+    
+    NTNEntityConf:
+      type: object
+      properties:
+        nTNConfEntity:
+          $ref: 'TS28623_ComDefs.yaml#/components/schemas/Dn'
+        nTNConfList:
+          type: array
+          uniqueItems: true
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    
+
 #-------- Definition of types for name-containments ------
     SubNetwork-ncO-NrNrm:
       type: object
@@ -2174,6 +2187,8 @@ components:
                   $ref: '#/components/schemas/NrTacList'
             ephemerisInfoSet:
               $ref: '#/components/schemas/EphemerisInfoSet-Multiple'
+            nTNTimeBasedConfig:
+              $ref: '#/components/schemas/NTNTimeBasedConfig-Multiple'
 
     EphemerisInfoSet-Single:
       allOf:
@@ -2222,6 +2237,24 @@ components:
                       type: integer
                     ecTimeInterval:
                       type: integer
+    
+    NTNTimeBasedConfig-Single:
+      allOf:
+        - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+        - type: object
+          properties:
+            attributes:
+              allOf:
+                - type: object
+                  properties:
+                    timeWindow:
+                      $ref: 'TS28623_ComDefs.yaml#/components/schemas/TimeWindow'
+                    nTNEntityConfigList:
+                      type: array
+                      uniqueItems: true
+                      items:
+                        $ref: '#/components/schemas/NTNEntityConf'
+                      minItems: 1
 
 #-------- Definition of JSON arrays for name-contained IOCs ----------------------
 
@@ -2385,6 +2418,10 @@ components:
       type: array
       items:
         $ref: '#/components/schemas/NRECMappingRule-Single'
+    NTNTimeBasedConfig-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/NTNTimeBasedConfig-Single'
     MWAB-Multiple:
       type: array
       items:
@@ -2458,3 +2495,4 @@ components:
         - $ref: '#/components/schemas/EphemerisInfoSet-Single'
         - $ref: '#/components/schemas/MWAB-Single'
         - $ref: '#/components/schemas/NRECMappingRule-Single'
+        - $ref: '#/components/schemas/NTNTimeBasedConfig-Single'