18 U.S.C. § 1698 : US Code - Section 1698: Prompt delivery of mail from vessel

Search 18 U.S.C. § 1698 : US Code - Section 1698: Prompt delivery of mail from vessel

Whoever, having charge or control of any vessel passing between
ports or places in the United States, and arriving at any such port
or place where there is a post office, fails to deliver to the
postmaster or at the post office, within three hours after his
arrival, if in the daytime, and if at night, within two hours after
the next sunrise, all letters and packages brought by him or within
his power or control and not relating to the cargo, addressed to or
destined for such port or place, shall be fined under this title.