Section is comprised of third paragraph of section 5 of act Mar. 4, 1915. First paragraph of such section 5, which was classified to section 26 of former Title 41, Public Contracts, was repealed by act June 30, 1949, ch. 288, title VI, § 602(a)(26), 63 Stat. 401, eff. July 1, 1949, renumbered Sept. 5, 1950, ch. 849, § 6(a), (b), 64 Stat. 583; second and fourth pars. of such section 5 are classified to sections 335 and 338 of this title, respectively.

Act Mar. 21, 1918 extended the provisions to include entries made prior to Mar. 4, 1915 and added the last proviso. Act Mar. 4, 1915 related to entries made prior to July 1, 1914.