49 CFR § 1510.5
Imposition of security service fees
November 18, 2020
(a) Each direct air carrier and foreign air carrier described in §1510.9(a) shall impose a security service fee of $5.60 per one-way trip for air transportation originating at an airport in the United States. Passengers may not be charged more than $5.60 per one-way trip or $11.20 per round trip.
(b) The security service fee must be imposed on passengers who obtained the ticket for air transportation with a frequent flyer award, but may not be imposed on any other nonrevenue passengers.
[79 FR 35473, June 20, 2014, as amended at 80 FR 31857, June 4, 2015]