2018—Subsec. (d). Pub. L. 115–123, § 50711(d), added subsec. (d).

Subsec. (e). Pub. L. 115–123, § 50743(b), added subsec. (e).

2008—Subsec. (c). Pub. L. 110–351 added subsec. (c).

Amendment by section 50711(d) of Pub. L. 115–123 effective Feb. 9, 2018, subject to transition rules for required State legislation or tribal action, see section 50734 of Pub. L. 115–123, set out as a note under section 622 of this title.

Amendment by section 50743(b) of Pub. L. 115–123 effective as if enacted on Jan. 1, 2018, subject to transition rule and State waiver provisions, see section 50746 of Pub. L. 115–123, set out as a note under section 622 of this title.

Amendment by Pub. L. 110–351 effective Oct. 7, 2008, and applicable to payments under this part and part B of this subchapter for quarters beginning on or after such date, with delay permitted if State legislation is required to meet additional requirements, see section 601 of Pub. L. 110–351, set out as a note under section 671 of this title.