N.C. Gen. Stat. § 116-36.4

Each institution shall provide to the director of the Budget and the State Auditor such information as they may from time to time require concerning the use of net proceeds from operations of vending facilities for the previous fiscal year under G.S. 116-36.1. Net proceeds are appropriated and may be used only as authorized by the Board of Governors, but this section does not authorize expenditures for purposes not otherwise authorized by law.