N.C. Gen. Stat. § 117-21
A corporation formed hereunder shall have power and is hereby authorized, from time to time, to issue its bonds in anticipation of its revenue for any corporate purpose. Said bonds may be authorized by resolution or resolutions of the board, and may bear such date or dates, mature at such time or times, not exceeding 40 years from their respective dates, bear interest at such rate or rates, be in such denominations, be in such form, either coupon or registered, carry such registration privileges, be executed in such manner, be payable in such medium of payment, at such place or places, and be subject to such terms of redemption, not exceeding par and accrued interest, as such resolution or resolutions may provide. Such bonds may be sold in such manner and upon such terms as the board may determine at not less than par and accrued interest. Any provision of law to the contrary notwithstanding, any bonds and the interest coupons appertaining thereto, if any, issued pursuant to this Article shall possess all of the qualities of negotiable instruments.
N.C. Gen. Stat. § 117-21