U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
(a) Tonnage mark with an equilateral triangle and a line for fresh and tropical waters.

(b) Tonnage mark location if the load line mark is not placed as though the second deck were the freeboard deck.

(c)—Tonnage mark location if the load line mark is placed as though the second deck were the freeboard deck.
