diff --git a/src/yang/etsi-nfv-common.yang b/src/yang/etsi-nfv-common.yang
index 0b09fc483cef064f66eb0ab761af9df2048a9f5f..81b128fd6d176d73e597cfa72206278943483c41 100644
--- a/src/yang/etsi-nfv-common.yang
+++ b/src/yang/etsi-nfv-common.yang
@@ -16,13 +16,13 @@ submodule etsi-nfv-common {
   description
     "Common data types for ETSI data models.";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
        Common data structures to support VNFD and NSD according to:
-       ETSI GS NFV-IFA 014 Ed341v333
-       ETSI GS NFV-IFA 011 Ed341v332.";
+       ETSI GS NFV-IFA 014 Release 3
+       ETSI GS NFV-IFA 011 Release 3.";
   }
 
   revision 2019-10-01 {
diff --git a/src/yang/etsi-nfv-descriptors.yang b/src/yang/etsi-nfv-descriptors.yang
index 396d7c8617da05473a7d41975afb3f7da9e7ce61..e62d24a736d916e0330ce4ed754467c865cbff97 100644
--- a/src/yang/etsi-nfv-descriptors.yang
+++ b/src/yang/etsi-nfv-descriptors.yang
@@ -14,12 +14,12 @@ module etsi-nfv-descriptors {
   description
     "Network Function Virtualization Descriptors";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       NSD and PNFD according to ETSI GS NFV-IFA 014 Ed341v333
-       VNFD according to ETSI GS NFV-IFA 011 Ed341v332.";
+       NSD and PNFD according to ETSI GS NFV-IFA 014 Release 3
+       VNFD according to ETSI GS NFV-IFA 011 Release 3.";
   }
 
   revision 2019-10-01 {
diff --git a/src/yang/etsi-nfv-ns.yang b/src/yang/etsi-nfv-ns.yang
index bca0abdad585a5ae52a222f12824eea566342535..d9a56ebcc4daff9cf8612aab1c6de7c8a1424d72 100644
--- a/src/yang/etsi-nfv-ns.yang
+++ b/src/yang/etsi-nfv-ns.yang
@@ -11,12 +11,11 @@ submodule etsi-nfv-ns {
   description
     "Models for NS according to ETSI GS NFV-IFA 014.";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       Common data structures to support NSD according to:
-       ETSI GS NFV-IFA 014 Ed341v333.";
+       NSD according to ETSI GS NFV-IFA 014 Release 3.";
   }
 
   revision 2019-10-01 {
@@ -1688,22 +1687,6 @@ submodule etsi-nfv-ns {
         }
       }
 
-      leaf priority {
-        type uint32;
-        description
-          "Specifies the priority for the NS instance.
-
-           The allowed range will be reasonably high. The 'zero'
-           value will express the highest priority and the fact
-           that the NS instance based on this DF cannot be
-           pre-empted during resource allocation.
-
-           Examples for the usage of priority include conflict
-           resolution in case of resource shortage.";
-        reference
-          "GS NFV IFA014: Section 6.3.2.2 NsDf information element";
-      }
-
       leaf service-availability-level {
         type uint32;
         description
diff --git a/src/yang/etsi-nfv-nsd.yang b/src/yang/etsi-nfv-nsd.yang
index 108d5d574746d29a5ee22de7a016666b781af806..df09195972dc8882918328fa4755f1a3629a3a6b 100644
--- a/src/yang/etsi-nfv-nsd.yang
+++ b/src/yang/etsi-nfv-nsd.yang
@@ -13,12 +13,11 @@ module etsi-nfv-nsd {
   description
     "Network Services Descriptors";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       Common data structures to support NSD according to:
-       ETSI GS NFV-IFA 014 Ed341v333.";
+       NSD according to ETSI GS NFV-IFA 014 Release 3.";
   }
 
   revision 2019-10-01 {
diff --git a/src/yang/etsi-nfv-pnf.yang b/src/yang/etsi-nfv-pnf.yang
index e2a094013b459cd1fc90e71c313fe9c2dd3a4582..80d44e758a4e868e14e6eaedab611765babf0ac3 100644
--- a/src/yang/etsi-nfv-pnf.yang
+++ b/src/yang/etsi-nfv-pnf.yang
@@ -12,12 +12,11 @@ submodule etsi-nfv-pnf {
   description
     "Models for PNFD according to GS NFV-IFA 014.";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       Common data structures to support PNFD according to:
-       ETSI GS NFV-IFA 014 Ed341v333.";
+       PNFD according to ETSI GS NFV-IFA 014 Release 3.";
   }
 
   revision 2019-10-01 {
diff --git a/src/yang/etsi-nfv-pnfd.yang b/src/yang/etsi-nfv-pnfd.yang
index 005c5de7ed7a80282b9d573be820d259c1470b20..6afbfd06614cc88a7395414e32057d6d6e901415 100644
--- a/src/yang/etsi-nfv-pnfd.yang
+++ b/src/yang/etsi-nfv-pnfd.yang
@@ -13,11 +13,11 @@ module etsi-nfv-pnfd {
   description
     "Physcial Network Function Descriptor.";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       PNFD according to ETSI GS NFV-IFA 014 Ed341v333.";
+       PNFD according to ETSI GS NFV-IFA 014 Release 3.";
   }
 
   revision 2019-10-01 {
diff --git a/src/yang/etsi-nfv-vnf.yang b/src/yang/etsi-nfv-vnf.yang
index a28592e1ae922a5dd6301d035a37d3c6582416e0..6e04e1f580e327aa6846e20840fc9f349b3b5472 100755
--- a/src/yang/etsi-nfv-vnf.yang
+++ b/src/yang/etsi-nfv-vnf.yang
@@ -16,12 +16,12 @@ submodule etsi-nfv-vnf {
   description
     "Models for VNFD according to GS NFV-IFA 011.";
 
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       Data structures to support VNFD according to:
-       ETSI GS NFV-IFA 011 Ed341v332.";
+       Data structures to support VNFD according to
+       ETSI GS NFV-IFA 011 Release 3.";
   }
 
   revision 2019-10-01 {
diff --git a/src/yang/etsi-nfv-vnfd.yang b/src/yang/etsi-nfv-vnfd.yang
index d43182ae1fa7d9d224d921dca589088244978c5b..06f76bfa7c3ed83c5bea31ddc2df55d2dc340e68 100644
--- a/src/yang/etsi-nfv-vnfd.yang
+++ b/src/yang/etsi-nfv-vnfd.yang
@@ -13,11 +13,11 @@ module etsi-nfv-vnfd {
   description
     "Virtual Network Function Descriptor.";
   
-  revision 2020-02-11 {
+  revision 2020-06-10 {
     description
-      "Version 3.3.1
+      "Version 3.3.1.
 
-       VNFD according to ETSI GS NFV-IFA 011 Ed341v332.";
+       VNFD according to ETSI GS NFV-IFA 011 Release 3.";
   }
 
   revision 2019-10-01 {