diff --git a/src/SOL012/PolicyManagement/PolicyManagement.yaml b/src/SOL012/PolicyManagement/PolicyManagement.yaml
index c616dbc70e98362a492b371e910ef3fae618e7e4..bd2e51787dfd3616d42645209ab5d9b89f8243cc 100644
--- a/src/SOL012/PolicyManagement/PolicyManagement.yaml
+++ b/src/SOL012/PolicyManagement/PolicyManagement.yaml
@@ -575,9 +575,18 @@ components:
           type: string
         pfId:
           description: >
-            Identifier of the Policy Function (PF) which enforces the policy. The PF is either a VNFM or a VIM.
-            Cardinality of zero indicates that the PF is the API producer itself.
+            Identifier of the Policy Function (PF) which enforces the policy. Shall be present when the
+            PF is not the API producer and shall be absent otherwise.
+            For example, the PF can be a VNFM or VIM when the API producer is an NFVO.
           $ref: "../components/SOL012_schemas.yaml#/components/schemas/Identifier"
+        associations:
+          description: >
+            Initial value of the “associations” attribute in the “Policy” data structure which represents the policy.
+            How the PF determines the scope of applicability of the policy when this attribute
+            is absent is outside the scope of the present document.
+          type: array
+          items:
+            $ref: "../components/SOL012_schemas.yaml#/components/schemas/Identifier"
       required:
         - designer
         - name
@@ -601,8 +610,9 @@ components:
           type: string
         pfId:
           description: >
-            Identifier of the Policy Function (PF) which enforces the policy. The PF is either a VNFM or a VIM.
-            Cardinality of zero indicates that the PF is the API producer itself.
+            Identifier of the Policy Function (PF) which enforces the policy. Shall be present when the PF is not
+            the API producer and shall be absent otherwise.
+            For example, the PF can be a VNFM or VIM when the API producer is an NFVO.
           $ref: "../components/SOL012_schemas.yaml#/components/schemas/Identifier"
         versions:
           description: >
@@ -614,16 +624,18 @@ components:
           description: >
             Selected version of the policy. Shall be present if one or more versions of the policy have been transferred.
           $ref: "../components/SOL012_schemas.yaml#/components/schemas/Version"
-        policy:
-          description: >
-            Content of the policy.
         activationStatus:
           description: >
             Status of the policy on whether it is activated or deactivated.
           $ref: "../components/SOL012_schemas.yaml#/components/schemas/ActivationStatus"
         associations:
           description: >
-            Identifiers of the entities that the API producer manages and to which the policy associates to.
+            Identifiers of the entities that the PF manages and to which the policy associates to.
+            The associations refer to identifiers of entities that the PF manages.
+            E.g., if the PF is a VNFM, the policy can associate to VNF instances; if the PF is NFVO, the policy can
+            associate to an NS instances.
+            How the PF determines the scope of applicability of the policy when this attribute is absent is
+            outside the scope of the present document.
           type: array
           items:
             $ref: "../components/SOL012_schemas.yaml#/components/schemas/Identifier"
diff --git a/src/SOL012/components/SOL012_schemas.yaml b/src/SOL012/components/SOL012_schemas.yaml
index c0b7d4d022fd5f6f75365030fcd8f5c5efbfb38f..941c6da442b42f1691fb5a7dad84f2d4bd638392 100644
--- a/src/SOL012/components/SOL012_schemas.yaml
+++ b/src/SOL012/components/SOL012_schemas.yaml
@@ -305,13 +305,32 @@ components:
           description: >
             New version of the policy to be selected.
           $ref: "../components/SOL012_schemas.yaml#/components/schemas/Version"
-        associations:
+        addAssociations:
           description: >
-            Modified associations of the policy, includes the identifiers of the entities that the API
-            producer manages and to which the policy associates to.
+            Identifiers of entities to be added to the “associations” attribute in the “Policy”
+            data structure which represents the policy.
+            The API producer shall ignore the identifiers that already exist in the "associations"
+            attribute in the “Policy” data structure.
           type: array
           items:
             $ref: "../components/SOL012_schemas.yaml#/components/schemas/Identifier"
+        removeAssociations:
+          description: >
+            Identifiers of entities to be removed from the “associations” attribute in the “Policy” data structure
+            which represents the policy.
+            The API producer shall ignore the identifiers that do not exist in the "associations"
+            attribute in the “Policy” data structure
+          type: array
+          items:
+            $ref: "../components/SOL012_schemas.yaml#/components/schemas/Identifier"
+        removeAllAssociations:
+          description: >
+            Shall be set to TRUE if the policy is no longer associated to any specific entities managed by the PF.ù
+            If "removeAllAssociations" is set to TRUE, neither "addAssociations" nor “removeAssociations” attributes
+            shall be present.
+            Once all associations have been removed, how the PF determines the scope of applicability of
+            the policy is outside the scope of the present document.
+          type: boolean
 
     PolicyOperationType:
       description: >