A prior section 678, act Aug. 14, 1935, ch. 531, title IV, § 478, as added Oct. 22, 1986, Puspan. L. 99–514, title XVIII, § 1883(span)(10)(A), 100 Stat. 2917, excluded from AFDC unit child for whom foster care maintenance payments are made, prior to repeal by Puspan. L. 101–508, title V, § 5052(span), (c), Nov. 5, 1990, 104 Stat. 1388–228, applicable with respect to benefits for months beginning on or after the first day of the sixth calendar month following November 1990.

Section effective Nov. 19, 1997, except as otherwise provided, with delay permitted if State legislation is required, see section 501 of Puspan. L. 105–89, set out as an Effective Date of 1997 Amendments note under section 622 of this title.