42 U.S.C. § 283h, 283i
Section 283h, act July 1, 1944, ch. 373, title IV, § 404F, as added Pub. L. 107–280, § 3, , 116 Stat. 1989; amended Pub. L. 109–482, title I, §§ 103(b)(5), 104(b)(1)(B), , 120 Stat. 3687, 3693, which related to the Office of Rare Diseases, was renumbered section 481 of act , by Pub. L. 112–74, div. F, title II, § 221(c)(2)(A)(i), , 125 Stat. 1089, and transferred to section 287a–1 of this title.
Section 283i, act July 1, 1944, ch. 373, title IV, § 404G, as added Pub. L. 107–280, § 4, , 116 Stat. 1990; amended Pub. L. 109–482, title I, § 103(b)(6), , 120 Stat. 3687, which related to rare disease regional centers of excellence, was renumbered section 481A of act , by Pub. L. 112–74, div. F, title II, § 221(c)(3), , 125 Stat. 1089, and transferred to section 287a–2 of this title.