46 U.S.C. § 11108
Section 11108 · Taxes
Current version, with additions and removals from the July 17, 1984 version.
(b) Liability.—
(1) Limitation on jurisdiction to tax.—An individual to whom this subsection applies is not subject to the income tax laws of a State or political subdivision of a State, other than the State and political subdivision in which the individual resides, with respect to compensation for the performance of duties described in paragraph (2).
(2) Application.—This subsection applies to an individual—
(A) engaged on a vessel to perform assigned duties in more than one State as a pilot licensed under section 7101 of this title or licensed or authorized under the laws of a State; or
(B) who performs regularly assigned duties while engaged as a master, officer, or crewman on a vessel operating on navigable waters in 2 or more States.