Replace Message replacing a previous message. Confirmation Message confirming the details of a previous transmission where such confirmation is required or recommended under the terms of a trading partner agreement. Duplicate The message is a duplicate of a previously generated message. Original Initial transmission related to a given transaction. Reissue New issue of a previous message (maybe cancelled). Copy Indicates that the message is a copy of an original message that has been sent, e.g. for action or information. Retransmission Change-free transmission of a message previously sent. Additional transmission Message already transmitted via another communication channel. This transmission is to provide electronically processable data only.