Code of Federal Regulations Title 49. Transportation § 49.1546.201 Acceptance and screening of individuals and accessible property

(a) Preventing or deterring the carriage of any explosive, incendiary, or weapon. Unless otherwise authorized by TSA, each foreign air carrier must use the measures in its security program to prevent or deter the carriage of any explosive, incendiary, or weapon on or about each individual's person or accessible property before boarding an aircraft or entering a sterile area.

(b) Screening of individuals and accessible property. Except as provided in its security program, each foreign air carrier must ensure that each individual entering a sterile area at each preboard screening checkpoint for which it is responsible, and all accessible property under that individual's control, are inspected for weapons, explosives, and incendiaries as provided in § 1546.207.

(c) Refusal to transport. Each foreign air carrier conducting an operation for which a security program is required by § 1546.101(a), (b), or (c) must refuse to transport—

(d) Explosive, incendiary, weapon:  Prohibitions and exceptions. No individual may, while on board an aircraft being operated by a foreign air carrier in the United States, carry on or about his person a deadly or dangerous weapon, either concealed or unconcealed. This paragraph (d) does not apply to—