Government Payment Systems Engineering: ACH, NACHA, and the Treasury Connection

31 CFR Â§210

Federal regulation governing federal government use of electronic funds transfer â€” different requirements from commercial NACHA rules

Federal and state government payment systems operate under a distinct regulatory and technical architecture from commercial payment systems. ACH processing for benefits disbursement â€” SNAP EBT, SSI, VA benefits, tax refunds â€” uses the Fedwire Funds Service and the ACH network under NACHA Operating Rules, with specific provisions for government transactions under Subpart B of 31 CFR Part 210. The Treasury's Do Not Pay initiative adds a pre-payment verification requirement. Reverse positive pay for government disbursements, Direct Express card program integration, and the fiscal agent model used by state Medicaid programs each create distinct engineering requirements that commercial payment processing libraries don't handle correctly.

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