(a) As used in this subpart Length (L), Breadth (B), and Molded Depth (D) are as defined in Sec. 45.3 of this chapter.
(b) As used in this part new Great Lakes Vessel means a vessel operating solely within the limits of the Great Lakes as defined in this subchapter that:
(1) Was contracted for on or after November 17, 1986, or delivered on or after November 17, 1988.
(2) Has undergone a major conversion under a contract made on or after November 17, 1986, or completed a major conversion on or after November 17, 1987. [CGD 80-159, 51 FR 33059, Sept. 18, 1986]