Section 9501(a) of the American Rescue Plan Act of 2021, referred to in subsecs. (a) and (b)(2), is section 9501(a) of title IX of Pub. L. 117–2, Mar. 11, 2021, 135 Stat. 127, which is set out as a note under section 4980B of this title.

A prior section 6720C, added Pub. L. 111–5, div. B, title III, § 3001(a)(13)(A), Feb. 17, 2009, 123 Stat. 464; amended Pub. L. 111–144, § 3(b)(5)(D), Mar. 2, 2010, 124 Stat. 45, related to penalty for failure to notify health plan of cessation of eligibility for COBRA premium assistance, prior to repeal by Pub. L. 115–141, div. U, title IV, § 401(d)(7)(B), Mar. 23, 2018, 132 Stat. 1212.