N.C. Gen. Stat. § 143C-1-2

(1) Appropriation Required to Withdraw State Funds From the State Treasury. - In accordance with Section 7 of Article V of the North Carolina Constitution, no money shall be drawn from the State treasury but in consequence of appropriations made by law. A law enacted by the General Assembly that expressly appropriates funds from the State treasury is an appropriation; however, an enactment by the General Assembly that describes the purpose of a fund, authorizes the use of funds, allows the use of funds, or specifies how funds may be expended, is not an appropriation.

(2) Reversions. - Unless otherwise provided by law, at the end of the fiscal year the unexpended, unencumbered balance of an appropriation reverts to the fund from which the appropriation was made; except that (i) an appropriation to the General Assembly shall not revert unless otherwise provided by the Legislative Services Commission, (ii) an appropriation for a capital improvement project shall revert as provided by G.S. 143C-8-11, and (iii) an appropriation for the implementation of information technology (IT) projects shall not revert until the project is implemented or abandoned.