(a) Prohibition.—Except with the written consent of the Secretary of Transportation, a contractor holding a contract under the operating-differential subsidy program or under chapter 575 of this title may not—
(b) Applicability of Provisions to Charterer.—
If a charter prohibited by this section is made, the person operating the chartered vessel is subject to all the provisions of this subtitle and the operating-differential subsidy program, including limitations of profits and salaries.
(Pub. L. 109–304, § 8(c), Oct. 6, 2006, 120 Stat. 1671.)