Skip Navigation
Official website of the United States Government We can do this. Find COVID-19 vaccines near you. Visit U.S. Department of the Treasury
Bureau of the Fiscal Service
Reference & Guidance


The Green Book is a guide for ACH payments either originated or received by the federal government.

Questions concerning non-federal government ACH payments should be directed to Nacha or a local ACH association in your part of the country or your financial institution. Fiscal Service is unable to answer questions regarding non-federal government ACH payments.

(Format ###-###-####)

You may also e-mail your inquiries to us at:

Last modified 01/31/23