14 CFR § 48.30
Fees
July 13, 2020
(a) The fee for issuing or renewing a Certificate of Aircraft Registration for aircraft registered in accordance with §48.100(a) is $5.00 per aircraft.
(b) The fee for issuing or renewing a Certificate of Aircraft Registration for aircraft registered in accordance with §48.100(b) is $5.00 per certificate.
(c) Each application for and renewal of a Certificate of Aircraft Registration must be accompanied by the fee described in paragraphs (a) and (b), as applicable, paid to the Federal Aviation Administration through the web-based aircraft registration system, or in another manner if prescribed by the Administrator.