14 CFR § 389.12
Payment of fees and charges
July 13, 2020
The fees charged for services and resources shall be paid for electronically at http://www.pay.gov, a secure government-wide collection portal, except for charges for reporting services that are performed under competitive bid contracts with non-Government firms. Fees for reporting are payable to the firms providing the services. Payments to pay.gov can be made directly from a bank account or by credit/debit card.