ies.append({"ie_type":"Node ID","ie_value":"Node ID","presence":"M","tlv_more":"0","comment":"This IE shall contain the unique identifier of the sending node."})
ies.append({"ie_type":"Cause","ie_value":"Cause","presence":"M","tlv_more":"0","comment":"This IE shall indicate the acceptance or the rejection of the corresponding request message."})
ies.append({"ie_type":"Offending IE","ie_value":"Offending IE","presence":"C","tlv_more":"0","comment":"This IE shall be included if the rejection is due to an conditional or mandatory IE missing or faulty."})
