No Credit Facility, repayment agreement, Par Formula or remarketing agreement shall become effective without the approval of the Commission.
As used in this subsection, the following terms shall have the following meanings:
"Credit Facility" means an agreement entered into by an issuing municipality or by the State Treasurer on behalf of the State with a bank, savings and loan association or other banking institution, an insurance company, reinsurance company, surety company or other insurance institution, a corporation, investment banker or other investment institution, or any financial institution providing for prompt payment of all or any part of the principal (whether at maturity, presentment for purchase, redemption or acceleration), redemption premium, if any, and interest on any bonds payable on demand or tender by the owner issued in accordance with this section, in consideration of the issuing municipality or the State agreeing to repay the provider of such Credit Facility in accordance with the terms and provisions of such repayment agreement, provided, that any such repayment agreement shall provide that the obligation of the issuing municipality or the State thereunder shall have only such sources of payment as are permitted for the payment of bonds issued under this Article.
"Par Formula" shall mean any provision or formula adopted by the issuing municipality or the State to provide for the adjustment, from time to time, of the interest rate or rates borne by any such bonds so that the purchase price of such bonds in the open market would be as close to par as possible.
N.C. Gen. Stat. § 159-90