2022—Pars. (1) to (5). Pub. L. 117–263 added pars. (1) and (2) and redesignated former pars. (1) to (3) as (3) to (5), respectively.

2021—Pub. L. 116–283 substituted “marine highway” for “short sea” in section catchline and wherever appearing in text.

Section effective 1 day after Dec. 19, 2007, see section 1601 of Pub. L. 110–140, set out as a note under section 1824 of Title 2, The Congress.