diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 0a4decc8906d23a246b6682f4d94f8606e5d5b45..8583b27a00b760c2108b2d09fa231d997555f046 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -991,6 +991,8 @@ components:
                       $ref: '#/components/schemas/QceIdMappingInfoList'
                     mdtUserConsentReqList:
                       $ref: '#/components/schemas/MdtUserConsentReqList'
+                    nRECMappingRuleRef:
+                      $ref: 'TS28623_ComDefs.yaml#/components/schemas/Dn'
         - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/ManagedFunction-ncO'
         - type: object
           properties:
@@ -2101,6 +2103,22 @@ components:
                     ephemerisInfos:
                       $ref: '#/components/schemas/EphemerisInfos'
 
+    NRECMappingRule-Single:
+      allOf:
+        - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+        - type: object
+          properties:
+            attributes:
+              allOf:
+                - type: object
+                  properties:
+                    ecMRInputMinimumValue:
+                      type: integer
+                    ecMRInputMaximumValue:
+                      type: integer
+                    ecTimeInterval:
+                      type: integer
+
 #-------- Definition of JSON arrays for name-contained IOCs ----------------------
 
     GnbDuFunction-Multiple:
@@ -2259,6 +2277,10 @@ components:
       type: array
       items:
         $ref: '#/components/schemas/EphemerisInfoSet-Single'
+    NRECMappingRule-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/NRECMappingRule-Single'
 
 #-------- Definitions in TS 28.541 for TS 28.532 ---------------------------------
 
@@ -2326,4 +2348,4 @@ components:
         - $ref: '#/components/schemas/CCOOvershootCoverageParameters-Single'
         - $ref: '#/components/schemas/NTNFunction-Single'
         - $ref: '#/components/schemas/EphemerisInfoSet-Single'
-
+        - $ref: '#/components/schemas/NRECMappingRule-Single'