N.C. Gen. Stat. § 159-150
After or at the time an application is filed under G.S. 159-149, the finance officer, or some other officer designated by the board, shall prepare, swear to, and file with the secretary and for public inspection in the office of the clerk to the board a statement of debt in the same form prescribed in G.S. 159-55 for statements of debt filed in connection with general obligation bond issues. The sums to be included in gross debt and the deductions therefrom to arrive at net debt shall be the same as prescribed in G.S. 159-55, except that sums to fall due under contracts subject to this Article shall be treated as if they were evidenced by general obligation bonds of the unit.
No contract subject to this Article may be executed if the net debt of the contracting unit, after execution of the contract, would exceed eight percent (8%) of the assessed value of property subject to taxation by the contracting unit.
N.C. Gen. Stat. § 159-150