MT-TAG-21F

SWIFT MT field F/X Deal Reference.

Definition

Tag 21F (F/X Deal Reference) links a payment to an underlying FX deal. Present in MT 300 (FX Confirmation) and some MT 202 when a payment closes an FX deal. Format 16x.

Origin

Defined in the SWIFT Standards MT User Handbook, maintained by SWIFT SC in Brussels with annual update (November release).

Example in context

:21F:FX-20260514-001 — payment closing FX deal FX-20260514-001.

Related terms

• MT 300 — FX Confirmation defining 21F.