33 U.S.C. § 2327
For purposes of laws relating to navigation on inland and intracoastal waterways of the United States, the term “rehabilitation” means—
(1) major project feature restoration—
(E)
(2) structural modification of a major project component (not exhibiting reliability problems)—
Such term does not include routine or deferred maintenance. The dollar amounts referred to in paragraphs (1) and (2) shall be adjusted annually according to the economic assumption published each year as guidance in the Annual Program and Budget Request for Civil Works Activities of the Corps of Engineers.
(Pub. L. 102–580, title II, § 205, , 106 Stat. 4827.)
Codification Section was enacted as part of the Water Resources Development Act of 1992, and not as part of the Water Resources Development Act of 1986 which comprises this chapter.