Secs. 1767, 1768. Repealed. Pub. L. 99-500, title III, §371(a)(1), Oct. 18, 1986, 100 Stat. 1783-368, and Pub. L. 99-591, title III, §371(a)(1), Oct. 30, 1986, 100 Stat. 3341-371; Pub. L. 99-661, div. D, title V, §4501(a)(1), Nov. 14, 1986, 100 Stat. 4080