19 C.F.R. § 122.36 Responsibility of aircraft commander.
Title 19 - Customs Duties
If an aircraft lands in the U.S. and Customs officers have not arrived, the aircraft commander shall hold the aircraft, and any merchandise or baggage on the aircraft for inspection. Passengers and crewmembers shall be kept in a separate place until Customs officers authorize their departure.
Title 19: Customs Duties
PART 122—AIR COMMERCE REGULATIONS
Subpart D—Landing Requirements
§ 122.36 Responsibility of aircraft commander.