It is declared to be the policy of the Congress that the following provisions shall be observed: No project or any modification not authorized, of a project for flood control or rivers and harbors, shall be authorized by the Congress unless a report for such project or modification has been previously submitted by the Chief of Engineers, United States Army, in conformity with existing law. (Sept. 3, 1954, ch. 1264, title II, § 202, 68 Stat. 1256 .) Editorial Notes Codification Section comprises last two paragraphs of section 202 of act Sept. 3, 1954 . First paragraph of section 202 is set out as a note under section 701–1 of this title . Prior Provisions Provisions similar to those in this section were contained in the following prior acts: May 17, 1950, ch. 188, title II, § 202, 64 Stat. 170 . June 30, 1948, ch. 771, title II, § 202, 62 Stat. 1175 . July 24, 1946, ch. 596, § 2, 60 Stat. 641 .