diff --git a/102232-1/LI-PS-PDU.asn b/102232-1/LI-PS-PDU.asn
index 39b445be62bb778c6173c08dc7f323b816f16aa2..3492b8471810da79bacb810489e5e5d7a01fce8f 100644
--- a/102232-1/LI-PS-PDU.asn
+++ b/102232-1/LI-PS-PDU.asn
@@ -708,11 +708,14 @@ IPAddress ::= SEQUENCE
         -- Indicates the length of the prefix delegated by the CSP to the subscriber
         -- example: 60 if IP address is "2001:db8:0:85a3::ac1f:8001/60"
         -- Mandatory in case where the iP-value contains an IPv6 binary value
-    iPv4SubnetMask      [5] OCTET STRING (SIZE(4)) OPTIONAL
+    iPv4SubnetMask      [5] OCTET STRING (SIZE(4)) OPTIONAL,
         -- For IPv4 addresses, this indicates the subnet mask to be applied to the iP-value field.
         -- The subnet mask is intended to be presented as a binary value, e.g. "ff ff ff f8" to
         -- represent the dotted-decimal subnet mask of "255.255.255.248" corresponding to
         -- a /29 CIDR-format subnet mask
+    iP-NAT-translated   [6] BOOLEAN OPTIONAL
+        -- If TRUE then NAT translated, if FALSE then not NAT translated.
+        -- If absent, IPAddress may or may not be NAT translated.
 }
 
 IP-value ::= CHOICE