10.2.8 MT 598 Proprietary Message

This topic describes the MT 598 proprietary message format specifications.

This message type is used by financial institutions, with their own offices, and/or with other financial institutions with which they have established bilateral agreements. It is used as an envelope for a specified message included in it.

It allows for the definition of a unique format for which another message type is not available or applicable. It also allows financial institutions to use message types which are awaiting live implementation on the SWIFT system.

Maximum Length: 10000

Table 10-164 Format Specifications

Field Tag	Field Name	Format	Mandatory/Optional
20	Transaction Reference Number	16x	M
12	Sub-Message Type	3!n	M
77E	Proprietary Message	120*78x	M