42 U.S. Code § 3796ee–5 - Payment requirements
(a) Timing of payments
The Attorney General shall pay to each State or specifically  qualified unit of local government that receives funds under section 3796ee–3 of this title that has submitted an application under this subchapter the amount awarded to such State or unit of local government not later than the later of—
(b) Repayment of unexpended amounts
(1) Repayment required
From amounts awarded under this subchapter, a State or specially qualified unit shall repay to the Attorney General, before the expiration of the 36-month period beginning on the date of the award, any amount that is not expended by such State or unit.
The Attorney General may adopt policies and procedures providing for a one-time extension, by not more than 12 months, of the period referred to in paragraph (1).
(3) Penalty for failure to repay
If the amount required to be repaid is not repaid, the Attorney General shall reduce payment in future payment periods accordingly.
(c) Administrative costs
A State or unit of local government that receives funds under this subchapter may use not more than 5 percent of such funds to pay for administrative costs.
(d) Nonsupplanting requirement
Funds made available under this subchapter to States and units of local government shall not be used to supplant State or local funds as the case may be, but shall be used to increase the amount of funds that would, in the absence of funds made available under this subchapter, be made available from State or local sources, as the case may be.
(e) Matching funds
(1) In general
The Federal share of a grant received under this subchapter may not exceed 90 percent of the total program costs.
 So in original. Probably should be “specially”.
Source(Pub. L. 90–351, title I, § 1805, as added Pub. L. 107–273, div. C, title II, § 12102(a),Nov. 2, 2002, 116 Stat. 1865.)
A prior section 3796ee–5,Pub. L. 90–351, title I, § 1806, as added Pub. L. 103–322, title II, § 20201(a)(3),Sept. 13, 1994, 108 Stat. 1822, required each State and unit of local government to submit an annual evaluation of programs, prior to the general amendment of this subchapter by Pub.L. 107–273.