N.C. Gen. Stat. § 142-69
The State Treasurer may authorize, execute, obtain, or otherwise provide for bond insurance, investment contracts, credit and liquidity facilities, credit enhancement facilities, interest rate swap agreements and other derivative products, and any other related instruments and matters the State Treasurer determines are desirable in connection with entering into financing contracts and issuing certificates of participation pursuant to this Article. The State Treasurer is authorized to employ and designate any financial consultants, underwriters, fiduciaries, and bond attorneys to be associated with any financing contracts or certificates of participation under this Article as the State Treasurer considers appropriate.
N.C. Gen. Stat. § 142-69