A prior section 12645, Pub. L. 101–610, title I, § 186, as added Pub. L. 102–10, § 8(2), Mar. 12, 1991, 105 Stat. 31, directed Commission to issue final rules or regulations necessary to implement this subchapter, prior to repeal by Pub. L. 103–82, title I, §§ 122(a), 123, Sept. 21, 1993, 107 Stat. 867, effective Oct. 1, 1993.

Section effective Oct. 1, 2009, see section 6101(a) of Pub. L. 111–13, set out as an Effective Date of 2009 Amendment note under section 4950 of this title.