NACHA EFT Output Format
The NACHA file format is composed of 94-character
records.
The File Header and File Control records are the outer "envelope" of the transaction. The Batch Header and Batch Control records act as an inner envelope combining similar entries.
Note: ACH File output format is used for payments from a US company with a domestic currency
of USD to a US vendor. If the company domestic currency does not equal USD, then an IAT
record is included in the EFT output for NACHA format.
Records can be formatted using the file structures described in these topics: