ISO 8583 DE Reference
Format: anLength: ...999Variable (LLLVAR — 3-digit length prefix)
DE 47

Additional Data — National

Data element
47
Format
an
Length
...999
Encoding type
LLLVAR
Bitmap
Primary

What it is

Reserved for national-use additional data.

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

📦ISO 8583 Parser🗺️ISO 8583 Bitmap Decoder
← PreviousDE 46 Additional Data — ISONext →DE 48 Additional Data — Private