34 C.F.R. § 381.33
(e) Program income:
(2)
(3) Any program income received during a fiscal year that is not obligated or expended prior to the beginning of the succeeding fiscal year in which the program income was received, remain available for obligation and expenditure by the grantee during that succeeding fiscal year.
(Authority: Sections 12(c), 19, and 509(f)(7), (g), and (i) of the Rehabilitation Act of 1973, as amended; 29 U.S.C. 709(c), 716, and 794e(f)(7), (g), and (i); and 20 U.S.C. 3474)