49 CFR § 1540.201
This subpart includes the procedures that certain aircraft operators, foreign air carriers, indirect air carriers, and certified cargo screening facilities must use to have security threat assessments performed on certain individuals pursuant to 49 CFR 1544.228, 1546.213, 1548.7, 1548.15, 1548.16 and 1549.111. This subpart applies to the following:
(1) Each aircraft operator operating under a full program or full all-cargo program described in 49 CFR 1544.101(a) or (h).
(2) Each foreign air carrier operating under a program described in 49 CFR 1546.101(a), (b), or (e).
(3) Each indirect air carrier operating under a security program described in 49 CFR part 1548.
(4) Each applicant applying for unescorted access to cargo under one of the programs described in (a)(1) through (a)(3) of this section.
(5) Each proprietor, general partner, officer, director, or owner of an indirect air carrier as described in 49 CFR 1548.16.
(6) Each certified cargo screening facility described in 49 CFR part 1549.
(7) Each individual a certified cargo screening facility authorizes to perform screening or supervise screening.
(8) Each individual the certified cargo screening facility authorizes to have unescorted access to cargo at any time from the time it is screened until the time it is tendered to an indirect air carrier under 49 CFR part 1548, an aircraft operator under part 1544, or a foreign air carrier under part 1546.
(9) The senior manager or representative of its facility in control of the operations of a certified cargo screening facility under 49 CFR part 1549.