Format: x+nLength: 16Fixed length
DE 97
Amount, Net Settlement
What it is
Net settlement position, C/D prefixed — used in reconciliation (0500) messages.
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.