AcknowledgeMessagesReceipt:
8901 - Authentication failed

GetMovementForTrader:
8901 - Authentication failed
000001 - Movement ARC does not exist.
000002 - Movement found.
000003 - Movement found (where multiple versions exist).

GetNewMessages:
8901 - Authentication failed
000001 - No Messages found for this trader.
000002 - Messages found (where there are no more messages to download).
000003 - Messages found (where there are more messages to download).
000004 - ie704 response for ie818
000005 - ie704 response for ie837

SubmitExplainDelayToDelivery:
8901 - Authentication failed

SubmitReportofReceipt:
8901 - Authentication failed

SubmitReasonForShortage:
8901 - Authentication failed