Which regulation governs certain customs border search policies?

The regulation that governs certain customs border search policies is 19 U.S.C. 507. This section of the United States Code outlines the authorities and processes related to customs and border control, including searches and seizures at the border. The regulations under 19 U.S.C. cover the authorization for U.S. Customs and Border Protection (CBP) to conduct searches of persons, vehicles, and goods entering or leaving the country, which is essential for enforcing customs laws and protecting national security.

Understanding this regulation is crucial for boarding officers as it establishes the legal framework for conducting inspections and ensuring compliance with customs laws at border checkpoints. This context is important for officers to enforce the regulations effectively while also respecting the rights of individuals.