19 CFR § 4.51 - Reporting requirements for individuals arriving by vessel.
(a) Arrival of vessel reported. Individuals on vessels, which have reported their arrival to Customs in accordance with19 U.S.C. 1433 and § 4.2 of this part, shall remain on board until authorized by Customs to depart. Upon departing the vessel, such individuals shall immediately report to a designated Customs location together with all of their accompanying articles.
(b) Arrival of vessel not reported. Individuals on vessels, which have not reported their arrival to Customs in accordance with 19 U.S.C. 1433 and § 4.2 of this part, shall immediately notify Customs and report their arrival together with appropriate information regarding the vessel, and shall present themselves and their accompanying articles at a designated Customs location.
(c) Departure from designated Customs location. Individuals required to report to designated Customs locations under this section shall not depart from such locations until authorized to do so by any appropriate Customs officer.
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