30 CFR § 550.126
Electronic payment instructions
July 29, 2020
You must file all payments electronically through Pay.gov. This includes, but is not limited to, all OCS applications or filing fee payments. The Pay.gov Web site may be accessed through Pay.gov at https://www.pay.gov/paygov/.
(a) [Reserved]
(b) You must use credit card or automated clearing house (ACH) payments through the Pay.gov Web site, and you must include a copy of the Pay.gov confirmation receipt page with your application.
[76 FR 64623, Oct. 18, 2011, as amended at 80 FR 57096, Sept. 22, 2015]