ISO 20022-to-ACH Mapping Guide & Tools

The ISO 20022-to-ACH Mapping Guide & Tool is comprised of eight documents. For each ISO 20022 message, there is a word document that provides background, explanation and examples, and corresponds to a spreadsheet that provides the detailed data mapping between the ISO 20022 messages and the corresponding ACH transactions.

You can download each document or the complete set in a zip file.

For additional ISO 20022 resources, please visit Nacha's ISO 20022 Resource Center.