diff --git a/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml b/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
index 34a335215f798fdb5fe1e7de8f6f7156a4489c58..5c9041f9cffbd97ac16656673c005b1cc6dc3ab6 100644
--- a/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
+++ b/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
@@ -656,11 +656,10 @@ definitions:
 
   NsInstance:
     description: >
-      This type represents a response for Query NS operation. 
+      This type represents an NS instance. 
       It shall comply with the provisions defined in Table 6.5.2.10-1.
 
       NOTE 1: Void.
-                "vnfInstance" attribute or one "nestedNsInstanceId" attribute shall be present.
       NOTE 2: The “priority” attribute of the NS instance is configured in the NSD in the NsDf structure.
                 The mapping from application-specific priority values to a value in the NsDf is under OSS/BSS responsibility.
                 The "zero" value expresses the highest priority and the fact that the NS instance based on this DF cannot be
@@ -669,6 +668,16 @@ definitions:
       
       NOTE 4: Information about PaaS Services assigned to VNF instances shall only be included in the corresponding
               VnfInstance (see clause 6.5.3.57)
+      NOTE 5: The recentNsLsmOperationLinks attribute does not provide a complete historical record of LCM changes that
+              a NS instance experienced during its lifecycle. The information in this attribute should not be used to
+              create a chronological order of events that cannot be inferred by looking only at the most recent operation
+              occurrences due to potential gaps in timeline. This is because there can be many possible combination of LCM
+              changes that a NS instance may have gone through between two operation occurrences recorded in the
+              recentNsLcmOperationLinks attribute. For example, there can be many scaling related LCM changes since an
+              individual NS instance has been instantiated until the most recent scaling operation occurrence linked in the
+              attribute. In another example, the most recent LCM operation occurrence related to instantiate NS operation
+              may be more recent than the one that caused the NS instance to be terminated last time, which prevents the
+              possibility to create a meaningful chronological timeline of NS LCM events.
     type: object
     required:
       - id
@@ -883,7 +892,41 @@ definitions:
               instance resource (i.e. NS instance is in
               INSTANTIATED state).
             $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
-
+      recentNsLcmOperationLinks:
+        description: >
+          Links to the most recent LCM operation occurrences related to this resource. See note 5.
+        type: object
+        properties:
+          recentNsLcmOperation:
+            description: >
+              Link to the most recent LCM operation occurrence of any type that has been triggered
+              on this NS instance, such as Instantiate, Scale, or Heal.
+            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
+          recentNsLcmInstantiation:
+            description: >
+              Link to the most recent LCM operation occurrence of type "INSTANTIATE" that has been
+              triggered on this NS instance.
+            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
+          recentNsLcmTerminate:
+            description: >
+              Link to the most recent LCM operation occurrence of type "TERMINATE" that has been
+              triggered on this NS instance.
+            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
+          recentNsLcmUpdate:
+            description: >
+              Link to the most recent LCM operation occurrence of type "UPDATE" that has been
+              triggered on this NS instance.
+            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
+          recentNsLcmScale:
+            description: >
+              Link to the most recent LCM operation occurrence of type "SCALE" that has been
+              triggered on this NS instance.
+            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
+          recentNsLcmHeal:
+            description: >
+              Link to the most recent LCM operation occurrence of type "HEAL" that has been
+              triggered on this NS instance.
+            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"
 
   McioTypeName:
     description: