diff --git a/OpenAPI/TS28312_IntentNrm.yaml b/OpenAPI/TS28312_IntentNrm.yaml
index cc076da9f6031f1828ad51decb037bcb1d44b955..be7cb97108b7c8b4cab05561c91c383460b21d58 100644
--- a/OpenAPI/TS28312_IntentNrm.yaml
+++ b/OpenAPI/TS28312_IntentNrm.yaml
@@ -94,6 +94,8 @@ components:
             $ref: '#/components/schemas/IntentFeasibilityCheckReport'
           intentExplorationReport:
             $ref: '#/components/schemas/IntentExplorationReport'
+          intentFulfilmentNegotiationReport:
+            $ref: '#/components/schemas/IntentFulfilmentNegotiationReport'
           lastUpdatedTime:
             $ref: 'TS28623_ComDefs.yaml#/components/schemas/DateTimeRo'
           intentReference:
@@ -605,6 +607,90 @@ components:
             minItems: 1
    #-------Definition of the generic IntentExplorationReport dataType----------------#
 
+
+
+   #-------Definition of the generic IntentFulfilmentNegotiationReport dataType----------------#
+    IntentFulfilmentNegotiationReport:
+      description: >-
+        It represents the intent negotiation information during fulfilment phase
+        This attribute shall be supported when intent fulfilment negotiation information is supported by IntentReport
+      type: object
+      properties:
+        possibleIntentOutcomeList:
+          type: array
+          items:
+            $ref: '#/components/schemas/PossibleIntentOutcome'
+          uniqueItems: true
+          minItems: 1
+        intentFulfilmentNegotiationConsumerFeedback:
+          $ref: '#/components/schemas/IntentFulfilmentNegotiationFeedback'
+        implicitIntent:
+          $ref: '#/components/schemas/ImplicitIntent'
+    PossibleIntentOutcome:
+      description: >-
+        It represents a single outcome evaluated by the MnS producer
+      type: object
+      properties:
+        possibleIntentOutcomeId:
+          type: integer
+          readOnly: true
+        intentFulfilmentInfo:
+          $ref: '#/components/schemas/FulfilmentInfo'
+        expectationFulfilmentResults:
+          type: array
+          items:
+            $ref: '#/components/schemas/ExpectationFulfilmentResult'
+          uniqueItems: true
+          minItems: 1
+        possibleImpacts:
+          type: array
+          items:
+            $ref: '#/components/schemas/PossibleImpact'
+          uniqueItems: true
+          minItems: 1
+    PossibleImpact:
+      description: >-
+        It represents the possible impact of the possible outcome
+      type: object
+      properties:
+        impactedObjects:
+          type: array
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/DnRo'
+          minItems: 1
+        impactedAttributes:
+          type: array
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+          minItems: 1
+    IntentFulfilmentNegotiationFeedback:
+      description: >-
+        It represents the feedback information that the MnS consumer provides to the 
+        MnS producer as response during intent fulfilment Negotiation.
+      type: object
+      properties:
+        referredIntentOutcomeId:
+          type: integer
+        consumerSatisfactionIndex:
+          type: integer
+    ImplicitIntent:
+      description: >-
+        It represents the implicit intent which includes the information 
+        that MnS consumers have not explicitly pointed out in its intent.
+      type: object
+      properties:
+        implicitIntentExpectations:
+          type: array
+          items:
+            $ref: '#/components/schemas/IntentExpectation'
+        implicitIntentContexts:
+          type: array
+          items:
+            $ref: '#/components/schemas/Context'
+
+   #-------Definition of the generic IntentFulfilmentNegotiationReport dataType----------------#
+
+
    #-------Definition of the generic IntentHandlingCapability dataType----------------#
     IntentHandlingCapability:   
       description: >-