A prior section 435 of act Aug. 14, 1935, was classified to section 635 of this title prior to repeal by Pub. L. 100–485.

2018—Subsec. (e). Pub. L. 115–271 added subsec. (e).

2006—Subsec. (c). Pub. L. 109–288, § 4(c), amended heading and text of subsec. (c) generally. Prior to amendment, subsec. (c) related to topics for research and evaluation.

Subsec. (d). Pub. L. 109–288, § 5(b)(3)(C), inserted “or tribal consortia” after “Indian tribes” in introductory provisions.

2002—Pub. L. 107–133, § 105(1), substituted “Evaluations; research; technical assistance” for “Evaluations” in section catchline.

Subsec. (a)(1). Pub. L. 107–133, § 105(1), substituted “The Secretary shall evaluate and report to the Congress biennially on” for “The Secretary shall evaluate”.

Subsec. (a)(3). Pub. L. 107–133, § 105(2), added par. (3).

Subsecs. (c), (d). Pub. L. 107–133, § 105(3), added subsecs. (c) and (d).

Amendment by Pub. L. 109–288 effective Oct. 1, 2006, and applicable to payments under this part and part E of this subchapter for calendar quarters beginning on or after such date, without regard to whether implementing regulations have been promulgated, and with delay permitted if State legislation is required to meet additional requirements, see section 12(a), (b) of Pub. L. 109–288, set out as a note under section 621 of this title.

Amendment by Pub. L. 107–133 effective Jan. 17, 2002, with delay permitted if State legislation is required, see section 301 of Pub. L. 107–133, set out as a note under section 629 of this title.