34 C.F.R. § 370.47
(a) Definition.
(b) Use of program income.
(2)
(ii) Notwithstanding 2 CFR 200.305(a) and consistent with 2 CFR 200.305(b)(5), and to the extent that program income funds are available, a designated agency, regardless of whether it is a State agency, must disburse those funds (including repayments to a revolving fund), rebates, refunds, contract settlements, audit recoveries, and interest earned on such funds before requesting additional funds from the Department.
(Authority: Sections 12(c) and 108 of the Rehabilitation Act of 1973, as amended; 29 U.S.C. 709(c) and 728; and 20 U.S.C. 3474);