46 U.S.C. § 6306
Penalty
A person attempting to coerce a witness, or to induce a witness, to testify falsely in connection with a marine casualty, or to induce a witness to leave the jurisdiction of the United States, shall be fined $5,000, imprisoned for one year, or both.
( Pub. L. 98–89 , Aug. 26, 1983 , 97 Stat. 538 .)