diff --git a/diameter/dictionary.xml b/diameter/dictionary.xml
index 9ecfd5c033..0634ff89a9 100644
--- a/diameter/dictionary.xml
+++ b/diameter/dictionary.xml
@@ -2650,9 +2650,9 @@ Note: The AVP codes from 421 to 499 are reserved for TS 29.109
  NOTE AVP 500 - 523 is in gqpolicy.xml
       AVP 524 - 527 is in TGPPRx.xml (3GPP TS 29.214)
 Note: The AVP codes from 524 to 599 are reserved for TS 29.209 and TS 29.211
- NOTE AVP 600 - 650 is in imscxdx.xml
+ NOTE AVP 600 - 651 is in imscxdx.xml
 
-Note: The AVP codes from 651 to 699 are reserved for TS 29.229.
+Note: The AVP codes from 652 to 699 are reserved for TS 29.229.
  ************************** 3GPP Sh AVPS        **************************
  ************************** NOTE see TGPPSh.xml **************************
  ************************** 3GPP TS 29.329      **************************
diff --git a/diameter/imscxdx.xml b/diameter/imscxdx.xml
index f398fbe582..f2f525bdbd 100644
--- a/diameter/imscxdx.xml
+++ b/diameter/imscxdx.xml
@@ -265,7 +265,7 @@
     <avp name="User-Authorization-Type" code="623" mandatory="must" vendor-bit="must" vendor-id="TGPP" may-encrypt="yes">
       <type type-name="Enumerated"/>
       <enum name="REGISTRATION" code="0"/>
-      <enum name="REGISTRATION" code="1"/>
+      <enum name="DE_REGISTRATION" code="1"/>
       <enum name="REGISTRATION_AND_CAPABILITIES" code="2"/>
     </avp>
     <avp name="User-Data-Already-Available" code="624" mandatory="must" vendor-bit="must" vendor-id="TGPP" may-encrypt="yes">
@@ -397,6 +397,13 @@
       <enum name="PRIORITY-3" code="3"/>
       <enum name="PRIORITY-4" code="4"/>
     </avp>
+    <avp name="Identity-with-Emergency-Registration" code="651" mandatory="mustnot" vendor-bit="must" vendor-id="TGPP" may-encrypt="no">
+      <grouped>
+        <gavp name="User-Name"/>
+        <gavp name="Public-Identity"/>
+        <gavp name="Restoration-Info"/>
+      </grouped>
+    </avp>
     <!-- ************************ END IMS Cx Dx AVPS ******************* -->
 
 	</application>