Format: nLength: 3Fixed length
DE 49
Currency Code, Transaction
What it is
ISO 4217 numeric code of the currency of DE 4 — 840 USD, 978 EUR, 826 GBP.
Example values
840US dollar (exponent 2).392Japanese yen (exponent 0).Specification reference
Defined in ISO 8583:1987 (base). Card networks publish their own dialect tables (Visa BASE I / V.I.P., Mastercard CIS) that refine formats, lengths, and — for private-use elements — the entire layout. Always confirm against the interface specification you implement.