December 6, 1999, referred to in subsec. (b)(1), was in the original “the date of the enactment of this title”, which was translated as meaning the date of enactment of Pub. L. 106–129, which amended this subchapter generally, to reflect the probable intent of Congress.

A prior section 299b–2, act July 1, 1944, ch. 373, title IX, § 913, as added Pub. L. 101–239, title VI, § 6103(a), Dec. 19, 1989, 103 Stat. 2193; amended Pub. L. 102–410, § 5(c)(2), (f)(1)(A), Oct. 13, 1992, 106 Stat. 2097, 2098, related to development of guidelines and standards, prior to the general amendment of this subchapter by Pub. L. 106–129.