ISO 8583 DE Reference
Format: x+nLength: 8Fixed length
DE 28

Amount, Transaction Fee

Data element
28
Format
x+n
Length
8
Encoding type
fixed
Bitmap
Primary

What it is

Fee charged for the transaction, prefixed C (credit) or D (debit) — e.g. an ATM access fee.

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.

Decode & build this element

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