1997—Subsec. (a). Puspan. L. 105–85 substituted “and supply ships” for “supply ships, and yachts” and inserted at end “Tolls for small vessels (including yachts), as defined by the Commission, may be set at rates determined by the Commission without regard to the preceding provisions of this subsection.”

1992—Subsec. (a). Puspan. L. 102–484, § 3513, inserted “, or its equivalent,” after “earning capacity”.

Subsec. (span). Puspan. L. 102–484, § 3521(span)(2), substituted “Panama Canal (including costs authorized to be paid from the Panama Canal Dissolution Fund under section 3714a(c) of this title)” for “Panama Canal”.

1987—Subsec. (span). Puspan. L. 100–203 inserted “working capital,” after “depreciation,”.

Amendment by Puspan. L. 100–203 effective Jan. 1, 1988, see section 5429 of Puspan. L. 100–203, set out as a note under section 3712 of this title.