The Green Book is a comprehensive guide for financial institutions that receive ACH payments from and send payments (i.e. collections) to the federal government.
Most federal payments are made through ACH with very few exceptions.
Federal government ACH transactions continue to be subject to the same rules as private industry ACH payments.
The Green Book is designed to deal primarily with exceptions or issues unique to federal government operations.
The Green Book contains federal agency contact information and website addresses where appropriate.
To make the Green Book easier to navigate, download, and print, chapters are available in PDF format only.
We periodically review and update the Green Book.
ACH Payment Schedules
Table of Contents
Welcome to the Green Book, a comprehensive guide for financial institutions that receive ACH payments from and send payments (i.e. collections) to the federal government.
Chapter 1: Enrollment
This chapter is a guide to the enrollment process for various payment types —-both consumer and corporate.
Chapter 2: Payment Processing
This chapter provides information about how federal government ACH payments are processed.
Chapter 3: Non-receipt
This chapter describes the role(s) of the Financial Institution in resolving a claim of non-receipt for a federal payment.
Chapter 4: Returns
This chapter describes the return process for federal payments.
Chapter 5: Reclamations
This chapter provides detail on the reclamation process.
Chapter 6: Notification of Change
Notification of Change (NOC) is used to change and/or correct account information for federal government transactions processed through the Automated Clearing House (ACH).
Chapter 7: Contacts
This chapter includes addresses and/or phone numbers of ACH contacts.
Chapter 8: Glossary
Glossary of terms used in the Green Book.
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Last modified 10/26/18