Section 407a, acts Mar. 4, 1933, ch. 275, § 1, 47 Stat. 1568; June 16, 1933, ch. 104, 48 Stat. 311; Mar. 5, 1934, ch. 46, 48 Stat. 397; May 6, 1936, ch. 340, 49 Stat. 1266, which related to modification of existing contracts for sale of tribal timber, was omitted on authority of act May 6, 1936, which provided that authority to modify existing contracts for sale of tribal timber expire on Sept. 4, 1936.

Section 407b, act Mar. 4, 1933, ch. 275, § 2, 47 Stat. 1569, which related to modification of contracts for sale of timber to individual allottee, was omitted in view of the expiration of section 407a of this title.

Section 407c, act Mar. 4, 1933, ch. 275, § 3, 47 Stat. 1569, which related to preference to indian labor in modified contracts, was omitted in view of the expiration of section 407a of this title.