diff --git a/asn1/rua/RUA-IEs.asn b/asn1/rua/RUA-IEs.asn
index ca594b8..1e43580 100644
--- a/asn1/rua/RUA-IEs.asn
+++ b/asn1/rua/RUA-IEs.asn
@@ -16,16 +16,17 @@
 	maxNrOfErrors
 FROM RUA-Constants
 
+	maxProtocolExtensions,
 	Criticality,
 	ProcedureCode,
 	ProtocolIE-ID,
 	TriggeringMessage
 FROM RUA-CommonDataTypes
 
-	ProtocolExtensionContainer{},
-	RUA-PROTOCOL-EXTENSION
-FROM RUA-Containers;
+	IE
+FROM RUA-PDU;
 
+IE-Extensions ::= SEQUENCE (SIZE (1..maxProtocolExtensions)) OF IE
 
 CN-DomainIndicator ::= ENUMERATED { 
 	cs-domain, 
@@ -160,7 +161,7 @@
 	triggeringMessage		TriggeringMessage	OPTIONAL,
 	procedureCriticality		Criticality	OPTIONAL,
 	iEsCriticalityDiagnostics	CriticalityDiagnostics-IE-List	OPTIONAL,
-	iE-Extensions			ProtocolExtensionContainer { {CriticalityDiagnostics-ExtIEs} } 	OPTIONAL,
+	iE-Extensions			IE-Extensions	OPTIONAL,
 	...
 }
 
@@ -169,19 +170,10 @@
 		iECriticality			Criticality,
 		iE-ID				ProtocolIE-ID,
 		typeOfError			TypeOfError,
-		iE-Extensions			ProtocolExtensionContainer { {CriticalityDiagnostics-IE-List-ExtIEs} }	OPTIONAL,
+		iE-Extensions			IE-Extensions	OPTIONAL,
 		...
 	}
 
-CriticalityDiagnostics-IE-List-ExtIEs RUA-PROTOCOL-EXTENSION ::= {
-	...
-}
-
-CriticalityDiagnostics-ExtIEs RUA-PROTOCOL-EXTENSION ::= {
-	...
-}
-
-
 TypeOfError ::= ENUMERATED {
 	not-understood,
 	missing,
diff --git a/asn1/rua/RUA-PDU.asn b/asn1/rua/RUA-PDU.asn
new file mode 100644
index 0000000..5f88c0d
--- /dev/null
+++ b/asn1/rua/RUA-PDU.asn
@@ -0,0 +1,51 @@
+RUA-PDU {
+itu-t (0) identified-organization (4) etsi (0) mobileDomain (0) 
+umts-Access (20) modules (3) rua(5) version1 (1) rUA-PDU (255) }
+
+DEFINITIONS AUTOMATIC TAGS ::=
+
+BEGIN
+
+IMPORTS
+    Criticality,
+    ProcedureCode,
+    ProtocolIE-ID
+
+FROM RUA-CommonDataTypes
+
+    maxProtocolIEs
+
+FROM RUAP-Constants;
+
+RUA-PDU ::= CHOICE {
+    initiatingMessage       InitiatingMessage,
+    successfulOutcome       SuccessfulOutcome,
+    unsuccessfulOutcome     UnsuccessfulOutcome,
+    ...
+}
+
+InitiatingMessage ::= SEQUENCE {
+    procedureCode   ProcedureCode,
+    criticality     Criticality,
+    value           ANY
+}
+
+SuccessfulOutcome ::= SEQUENCE {
+    procedureCode   ProcedureCode,
+    criticality     Criticality,
+    value           ANY
+}
+
+UnsuccessfulOutcome ::= SEQUENCE {
+    procedureCode   ProcedureCode,
+    criticality     Criticality,
+    value           ANY
+}
+
+IE ::= SEQUENCE {
+    id ProtocolIE-ID,
+    criticality Criticality,
+    value ANY
+}
+
+END
diff --git a/asn1/rua/asn1c/Makefile b/asn1/rua/asn1c/Makefile
new file mode 100644
index 0000000..3a7689b
--- /dev/null
+++ b/asn1/rua/asn1c/Makefile
@@ -0,0 +1,6 @@
+MOD=RUA
+
+ASNS=../$(MOD)-CommonDataTypes.asn ../$(MOD)-Constants.asn ../$(MOD)-IEs.asn ../$(MOD)-PDU.asn
+
+all: $(ASNS)
+	asn1c -gen-PER -fnative-types -fskeletons-copy $^