Field Explorer

Interactive mapping guide for SWIFT MT and ISO 20022 transformation. Visualize exactly how legacy tags map to the new standard.

MT103 Fields

MT Tag 20

Sender's Reference

Mapping Logic

In ISO 20022, the Sender's Reference (Field 20) typically maps to the Instruction Identification. It must be unique within the business day.

ISO 20022 XML (MX) Path

Document/FIToFICstmrCdtTrf/CdtTrfTxInf/PmtId/InstrId

MX Example Snippet

<InstrId>ABC/123/XYZ</InstrId>

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