diff --git a/library/sbcap/SBC_AP_Types.ttcn b/library/sbcap/SBC_AP_Types.ttcn
index cfb043d36..4020c9608 100644
--- a/library/sbcap/SBC_AP_Types.ttcn
+++ b/library/sbcap/SBC_AP_Types.ttcn
@@ -10,6 +10,24 @@ module SBC_AP_Types {
 
 	/* 3GPP TS 29.168 4.3.4.3.2 Cause */
 	type enumerated SBC_AP_Cause {
-		SBC_AP_Cause_message_accepted			('00'O)
+		SBC_AP_Cause_message_accepted					('00'O),
+		SBcAP_Cause_parameter_not_recognised				('01'O),
+		SBcAP_Cause_parameter_value_invalid				('02'O),
+		SBcAP_Cause_valid_message_not_identified			('03'O),
+		SBcAP_Cause_tracking_area_not_valid				('04'O),
+		SBcAP_Cause_unrecognised_message				('05'O),
+		SBcAP_Cause_missing_mandatory_element				('06'O),
+		SBcAP_Cause_mME_capacity_exceeded				('07'O),
+		SBcAP_Cause_mME_memory_exceeded					('08'O),
+		SBcAP_Cause_warning_broadcast_not_supported			('09'O),
+		SBcAP_Cause_warning_broadcast_not_operational			('0A'O),
+		SBcAP_Cause_message_reference_already_used			('0B'O),
+		SBcAP_Cause_unspecifed_error					('0C'O),
+		SBcAP_Cause_transfer_syntax_error				('0D'O),
+		SBcAP_Cause_semantic_error					('0E'O),
+		SBcAP_Cause_message_not_compatible_with_receiver_state		('0F'O),
+		SBcAP_Cause_abstract_syntax_error_reject			('10'O),
+		SBcAP_Cause_abstract_syntax_error_ignore_and_notify		('11'O),
+		SBcAP_Cause_abstract_syntax_error_falsely_constructed_message	('12'O)
 	}
 }