diff --git a/asn1/rua/RUA-PDU-Contents.asn b/asn1/rua/RUA-PDU-Contents.asn
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+-- **************************************************************
+--
+-- PDU definitions for RUA.
+--
+-- **************************************************************
+
+RUA-PDU-Contents {
+itu-t (0) identified-organization (4) etsi (0) mobileDomain (0) 
+umts-Access (20) modules (3) rua(5) version1 (1) rUA-PDU-Contents (1) }
+
+DEFINITIONS AUTOMATIC TAGS ::= 
+
+BEGIN
+
+-- **************************************************************
+--
+-- IE parameter types from other modules.
+--
+-- **************************************************************
+
+IMPORTS
+	Cause,
+	CriticalityDiagnostics,
+	Context-ID,
+	CN-DomainIndicator, 
+	CSGMembershipStatus,
+	IntraDomainNasNodeSelector,
+	RANAP-Message,
+	Establishment-Cause
+
+FROM RUA-IEs
+
+
+	ProtocolExtensionContainer{},
+	ProtocolIE-ContainerList{},
+	ProtocolIE-Container{},
+	ProtocolIE-Single-Container{},
+	PrivateIE-Container{},
+	RUA-PRIVATE-IES,
+	RUA-PROTOCOL-EXTENSION,
+	RUA-PROTOCOL-IES
+FROM RUA-Containers
+
+	id-Cause,
+	id-CriticalityDiagnostics,
+	id-Context-ID,
+	id-CN-DomainIndicator, 
+ 	id-CSGMembershipStatus,
+	id-RANAP-Message,
+	id-IntraDomainNasNodeSelector,
+	id-Establishment-Cause
+
+FROM RUA-Constants;
+
+
+-- **************************************************************
+--
+-- Connect
+--
+-- **************************************************************
+
+Connect ::= SEQUENCE {
+	protocolIEs		ProtocolIE-Container       { {ConnectIEs} },
+	protocolExtensions	ProtocolExtensionContainer { {ConnectExtensions} } 	OPTIONAL,
+	...
+}
+
+ConnectIEs RUA-PROTOCOL-IES ::= {
+	{ ID id-CN-DomainIndicator		CRITICALITY reject	TYPE CN-DomainIndicator			PRESENCE mandatory } |
+	{ ID id-Context-ID			CRITICALITY reject	TYPE Context-ID				PRESENCE mandatory } |
+	{ ID id-IntraDomainNasNodeSelector 	CRITICALITY ignore	TYPE IntraDomainNasNodeSelector		PRESENCE optional } |
+	{ ID id-Establishment-Cause		CRITICALITY reject	TYPE Establishment-Cause		PRESENCE mandatory } |
+	{ ID id-RANAP-Message			CRITICALITY reject	TYPE RANAP-Message			PRESENCE mandatory },
+	...
+}
+
+ConnectExtensions RUA-PROTOCOL-EXTENSION ::= {
+	{ ID id-CSGMembershipStatus		CRITICALITY ignore	EXTENSION CSGMembershipStatus		PRESENCE optional }, 
+	...
+}
+
+
+-- **************************************************************
+--
+-- Direct Transfer
+--
+-- **************************************************************
+
+DirectTransfer ::= SEQUENCE {
+	protocolIEs		ProtocolIE-Container       { {DirectTransferIEs} },
+	protocolExtensions	ProtocolExtensionContainer { {DirectTransferExtensions} } 	OPTIONAL,
+	...
+}
+
+DirectTransferIEs RUA-PROTOCOL-IES ::= {
+	{ ID id-CN-DomainIndicator	CRITICALITY reject	TYPE CN-DomainIndicator		PRESENCE mandatory } |
+	{ ID id-Context-ID		CRITICALITY reject	TYPE Context-ID			PRESENCE mandatory } |
+	{ ID id-RANAP-Message		CRITICALITY reject	TYPE RANAP-Message		PRESENCE mandatory },
+	...
+}
+
+DirectTransferExtensions RUA-PROTOCOL-EXTENSION ::= {
+	...
+}
+
+
+
+-- **************************************************************
+--
+-- Disconnect
+--
+-- **************************************************************
+
+Disconnect ::= SEQUENCE {
+	protocolIEs		ProtocolIE-Container       { {DisconnectIEs} },
+	protocolExtensions	ProtocolExtensionContainer { {DisconnectExtensions} } 	OPTIONAL,
+	...
+}
+
+DisconnectIEs RUA-PROTOCOL-IES ::= {
+	{ ID id-CN-DomainIndicator	CRITICALITY reject	TYPE CN-DomainIndicator	PRESENCE mandatory } |
+	{ ID id-Context-ID		CRITICALITY reject	TYPE Context-ID		PRESENCE mandatory } |
+	{ ID id-Cause			CRITICALITY reject	TYPE Cause		PRESENCE mandatory } |
+	{ ID id-RANAP-Message		CRITICALITY reject	TYPE RANAP-Message	PRESENCE conditional },
+	-- RANAP message shall be included if Cause value is "normal"
+	...
+}
+
+DisconnectExtensions RUA-PROTOCOL-EXTENSION ::= {
+	...
+}
+
+-- **************************************************************
+--
+-- Connectionless Transfer
+--
+-- **************************************************************
+
+ConnectionlessTransfer ::= SEQUENCE {
+	protocolIEs		ProtocolIE-Container       { {ConnectionlessTransferIEs} },
+	protocolExtensions	ProtocolExtensionContainer { {ConnectionlessTransferExtensions} } 	OPTIONAL,
+	...
+}
+
+ConnectionlessTransferIEs RUA-PROTOCOL-IES ::= {
+	{ ID id-RANAP-Message	CRITICALITY reject	TYPE RANAP-Message	PRESENCE mandatory  },
+	...
+}
+
+ConnectionlessTransferExtensions RUA-PROTOCOL-EXTENSION ::= {
+	...
+}
+
+
+
+
+-- **************************************************************
+--
+-- ERROR INDICATION
+--
+-- **************************************************************
+
+ErrorIndication ::= SEQUENCE {
+	protocolIEs		ProtocolIE-Container       { {ErrorIndicationIEs} },
+	protocolExtensions	ProtocolExtensionContainer { {ErrorIndicationExtensions} } 	OPTIONAL,
+	...
+}
+
+ErrorIndicationIEs RUA-PROTOCOL-IES ::= {
+	{ ID id-Cause			CRITICALITY ignore	TYPE Cause			PRESENCE mandatory } |
+	{ ID id-CriticalityDiagnostics	CRITICALITY ignore	TYPE CriticalityDiagnostics	PRESENCE optional },
+		...
+}
+
+ErrorIndicationExtensions RUA-PROTOCOL-EXTENSION ::= {
+	...
+}
+
+-- **************************************************************
+--
+-- PRIVATE MESSAGE
+--
+-- **************************************************************
+
+PrivateMessage ::= SEQUENCE {
+	privateIEs		PrivateIE-Container  {{PrivateMessage-IEs}},
+	...
+}
+
+PrivateMessage-IEs RUA-PRIVATE-IES ::= {
+	...
+}
+
+
+END