diff --git a/src/SOL003/VNFLifecycleOperationGranting/definitions/SOL003VNFLifecycleOperationGranting_def.yaml b/src/SOL003/VNFLifecycleOperationGranting/definitions/SOL003VNFLifecycleOperationGranting_def.yaml
index cac568374815de90121f8c30a0d4f9ea44ade185..18150a39e254a54e0c62d337c42fef24de4da8f6 100644
--- a/src/SOL003/VNFLifecycleOperationGranting/definitions/SOL003VNFLifecycleOperationGranting_def.yaml
+++ b/src/SOL003/VNFLifecycleOperationGranting/definitions/SOL003VNFLifecycleOperationGranting_def.yaml
@@ -370,8 +370,14 @@ definitions:
       This type provides information of an existing or proposed resource used by the VNF. 
       It shall comply with the provisions defined in table 9.5.3.2-1.
 
-      NOTE:	The use cases UC#4 and UC#5 in Annex A.4 of ETSI GS NFV-IFA 007 provide examples 
-            for such a configuration.
+      NOTE 1:	The use cases UC#4 and UC#5 in Annex A.4 of ETSI GS NFV-IFA 007 provide examples
+                for such a configuration.
+      NOTE 2:	In the context of an operation that changes the current VNF package, the following applies: If this
+                ResourceDefinition is related to a resource to be created or modified, the "vnfdId" attribute shall
+                contain the identifier of the destination VNFD. If this ResourceDefinition is related to a resource
+                to be deleted, the "vnfdId" attribute shall contain the identifier of the source VNFD. If this
+                ResourceDefinition is related to a temporary resource, the "vnfdId" attribute shall contain the
+                identifier of either the source VNFD or the destination VNFD.
     type: object
     required:
       - id
@@ -406,8 +412,7 @@ definitions:
       vnfdId:
         description: >
           Identifier of the VNFD to which resourceTemplateId and vduId refer. Shall be present 
-          if at least one of resourceTemplateId and vduId is present and the operation to 
-          be granted changes the current VNF Package. May be absent otherwise.
+          if the operation to be granted changes the current VNF Package. May be absent otherwise. See note 2.
         $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
       resourceTemplateId:
         description: >
@@ -423,7 +428,7 @@ definitions:
           Shall be present if type="LINKPORT" and the linkport is shared by two external CP instances, 
           one exposing a VNFC CP instance (based on a VnfExtCpd referenced by "resourceTemplateId") and 
           another one exposing a VIP CP instance (based on a VnfExtCpd referenced by this attribute). 
-          Shall be absent otherwise. See note.
+          Shall be absent otherwise. See note 1.
         $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
       resource:
         description: >