Customs Modernization and Tariff Act
Section 1218. Extension of Time for Clearance. - At the time of clearance, the master of a departing vessel shall be required to indicate the time of intended departure, and if the vessel should remain in port forty-eight (48) hours after the time indicated, the master shall report to the District Collector for an extension of time of departure, and without such extension the original clearance shall be nullified.