When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.

Correct Answer: Option C — Customs

U.S. Customs and Border Protection (CBP) is the federal agency responsible for the clearance of vessels departing for foreign ports. The Master must present the certified crew list to Customs officials to ensure compliance with immigration and maritime laws before the vessel is granted formal clearance to depart.