Subject to subsection (b) of this section, an American Great Lakes vessel shall not be used—
(1)to engage in trade—
(A)from a port in the United States that is not located on the Great Lakes; or
(B)between ports in the United States;
(2)to carry bulk cargo (as that term is defined in section
1702 of this Appendix  which is subject to section
1241f of this Appendix, or section
2631 of title
(3)to provide any service other than ocean freight service—
(A)as a contract carrier; or
(B)as a common carrier on a fixed advertised schedule offering frequent sailings at regular intervals in the foreign commerce of the United States.
(b) Off-season carriage exception
(1) In general
Subject to paragraph (2), an American Great Lakes vessel may be used to engage in trade otherwise prohibited by subsection (a)(1)(A) of this section for not more than 90 days during any 12-month period.
An American Great Lakes vessel shall not be used during the Great Lakes shipping season to engage in trade referred to in paragraph (1).
 So in original. Probably should be followed by a closing parenthesis.
Section was enacted as part of the Agricultural Development and Trade Act of 1990 and also as part of the Food, Agriculture, Conservation, and Trade Act of 1990, and not as part of the Merchant Marine Act, 1936, which comprises this chapter.
The table below lists the classification updates, since Jan. 3, 2012, for this section. Updates to a broader range of sections may be found at the update page for containing chapter, title, etc.
The most recent Classification Table update that we have noticed was Tuesday, April 16, 2013
An empty table indicates that we see no relevant changes listed in the classification tables. If you suspect that our system may be missing something, please double-check with the Office of the Law Revision Counsel.