31 CFR § 210.3 - Governing law.
(a) Federal law. The rights and obligations of the United States and the Federal Reserve Banks with respect to all Government entries, and the rights of any person or recipient against the United States and the Federal Reserve Banks in connection with any Government entry, are governed by this part, which has the force and effect of Federal law.
(b) Incorporation by reference. Certain material is incorporated by reference in this part with the approval of the Direct of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in this section the Service must publish a document in the Federal Register and the material must be available to the public. All approved material is available for inspection at the Bureau of the Fiscal Service, 401 14th Street SW, Room 400A, Washington, DC 20227, ph. 202 874-6680, and it is available from the sources listed below. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email email@example.com or go to www.archives.gov/federal-register/cfr/ibr-locations.html.
(1) NACHA, 2550 Wasser Terrace, Suite 400, Herndon, Virginia 20171, tel. 703-561-1100, firstname.lastname@example.org.
(i) 2019 NACHA Operating Rules & Guidelines: The Guide to the Rules Governing the ACH Network, copyright 2019 (2019 NACHA Operating Rules and Guidelines).
(c) Application of this part. Any person or entity that originates or receives a Government entry agrees to be bound by this part and to comply with all instructions and procedures issued by the Service under this part, including the Treasury Financial Manual and the Green Book. The Treasury Financial Manual is available for downloading at the Service's web site at http://www.fiscal.treasury.gov/ or by calling (202) 874-9940 or writing the Directives Management Branch, Bureau of the Fiscal Service, Department of the Treasury, 3700 East West Highway, Room 500C, Hyattsville, MD 20782. The Green Book is available for downloading at the Service's web site at http://www.fiscal.treasury.gov/fmsnews.html or by calling (202) 874-6540 or writing the Product Promotion Division, Bureau of the Fiscal Service, Department of the Treasury, 401 14th Street, SW., Room 309, Washington, DC 20227.