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.

You may e-mail your inquiries to us at: payments@fiscal.treasury.gov

Please include the following in your inquiry:

• Your First Name
• Your Last Name
• Your Phone Number
• Your Title (if applicable)
• Your Agency/Organization (if applicable)
• Your Question

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