Failure to maintain assistance to adult single custodial parent who cannot obtain child care for child under age 6

If the Secretary determines that a State to which a grant is made under section 603 of this title for a fiscal year has violated section 607(e)(2) of this title during the fiscal year, the Secretary shall reduce the grant payable to the State under section 603(a)(1) of this title for the immediately succeeding fiscal year by an amount equal to not more than 5 percent of the State family assistance grant.