34 C.F.R. § 367.66
(c) Program income is considered earned in the fiscal year in which it is received. Program income earned during the fiscal year must be disbursed during the time in which new obligations may be incurred to carry out the work authorized under the award, and prior to requesting additional cash payments.
(Authority: Section 12(c) of the Rehabilitation Act of 1973, as amended; 29 U.S.C. 709(c))