SWIFT MTs – Blocks 1 Through 5 - Payments Domain

SWIFT MTs – Blocks 1 Through 5 We have discussed in our previous article that there are 5 blocks in a SWIFT MT message. Now we will dive deep into each of these blocks and try to understand them in detail. Please save this page for your future reference (At least till 2025) There are some common details and we will try to understand what they are All the blocks start with “{” The Block number or block identifier will be displayed at the very beginning followed by a “:” (Separator) This will be followed by the contents of the block The block will end with a “}” Basic Header Block (Block 1 ) This block is the only mandatory block and contains general information identifying a message.  Let us now dissect the block {1:F01CITIFRPPAXXX0070970817} This can be split into different components ( Split using spaces) {  1  :  F  01  CITIFRPPAXXX  0070 970817} F – This is application Identifier or AppID . F Indicated that it is a FIN message 01 – This is the service identifier and it consists of 2 digit numbers. 01 indicated that it is FIN. 21 stands for an acknowledgment (ACK) or negative acknowledgment

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SWIFT MTs – Blocks 1 Through 5 - Payments Domain

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SWIFT MTs – Blocks 1 Through 5 - Payments Domain

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