49 C.F.R. § 1548.17
This section applies to cargo that an indirect air carrier offers to an aircraft operator operating under a full program under § 1544.101(a) of this chapter, or to a foreign air carrier operating under § 1546.101(a) or (b) of this chapter.
(a) For cargo to be loaded on aircraft in the United States, each indirect air carrier must have and carry out a known shipper program in accordance with its security program. The program must—
(b) When required by TSA, each indirect air carrier must submit to TSA, in a form and manner acceptable to TSA—
[71 FR 30516, May 26, 2006]