diff --git a/102232-3/IPAccessPDU.asn b/102232-3/IPAccessPDU.asn
index 8080b90b6318fd1f0abb2e26d34852d60a46fa28..f13a317a060fa14bfa33f474fa310d48757a21bb 100644
--- a/102232-3/IPAccessPDU.asn
+++ b/102232-3/IPAccessPDU.asn
@@ -38,6 +38,14 @@ IPCC ::= SEQUENCE
 IPCCContents ::= CHOICE
 {
     iPPackets           [0] OCTET STRING,
+    ...,
+    iPTruncatedPacket   [1] IPTruncatedPacket
+}
+
+IPTruncatedPacket ::= SEQUENCE
+{
+    truncatedPacket     [0] OCTET STRING,
+    originalLength      [1] INTEGER OPTIONAL,
     ...
 }