31 C.F.R. § 208.3 Payment by electronic funds transfer.
Title 31 - Money and Finance: Treasury
Subject to §208.4, and notwithstanding any other provision of law, effective January 2, 1999, all Federal payments made by an agency shall be made by electronic funds transfer.
Title 31: Money and Finance: Treasury
PART 208—MANAGEMENT OF FEDERAL AGENCY DISBURSEMENTS
§ 208.3 Payment by electronic funds transfer.

