diff --git a/OpenAPI/TS28532_ProvMnS.yaml b/OpenAPI/TS28532_ProvMnS.yaml
index 314e233775c55071d09b7e1d198683828b58ecb3..815bdd49ad21a5e91b438ffbb1e39c35ab7ec732 100755
--- a/OpenAPI/TS28532_ProvMnS.yaml
+++ b/OpenAPI/TS28532_ProvMnS.yaml
@@ -192,6 +192,48 @@ paths:
                     application/json:
                       schema:
                         $ref: 'TS28623_ComDefs.yaml#/components/schemas/ErrorResponse'
+        notifyPotentialFaultyDataNodeTree:
+          '{request.body#/notificationRecipientAddress}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyPotentialFaultyDataNodeTree'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response
+                    has no message body.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'TS28623_ComDefs.yaml#/components/schemas/ErrorResponse'
+        notifyDataNodeTreeSyncRecommended:
+          '{request.body#/notificationRecipientAddress}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyDataNodeTreeSyncRecommended'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response
+                    has no message body.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'TS28623_ComDefs.yaml#/components/schemas/ErrorResponse'
     get:
       summary: Reads one or multiple resources
       description: >-
@@ -402,6 +444,8 @@ components:
         - notifyMOIAttributeValueChanges
         - notifyEvent
         - notifyMOIChanges
+        - notifyPotentialFaultyDataNodeTree
+        - notifyDataNodeTreeSyncRecommended
     SourceIndicator:
       type: string
       enum:
@@ -570,6 +614,20 @@ components:
                 $ref: '#/components/schemas/MoiChange'
           required:
             - moiChanges
+    NotifyPotentialFaultyDataNodeTree:
+      allOf:
+        - $ref: 'TS28623_ComDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          properties:
+            scope:
+              $ref: 'TS28623_SubscriptionControlNrm.yaml#/components/schemas/Scope'
+    NotifyDataNodeTreeSyncRecommended:
+      allOf:
+        - $ref: 'TS28623_ComDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          properties:
+            scope:
+              $ref: 'TS28623_SubscriptionControlNrm.yaml#/components/schemas/Scope'
     PatchItem:
       type: object
       properties: