Prior to renumbering of sections 501 to 543 of this chapter as sections 1501 to 1543 by Pub. L. 102–83, § 5(a), Aug. 6, 1991, 105 Stat. 406, section 510 of this chapter, Pub. L. 85–857, Sept. 2, 1958, 72 Stat. 1135, which provided monthly pension for persons who served in military or naval forces of Confederate States of America, was repealed by Pub. L. 94–169, title I, § 101(2)(F), Dec. 23, 1975, 89 Stat. 1014, effective Jan. 1, 1976.