Section 1510.5 - Imposition of security service fees(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