N.C. Gen. Stat. § 116-41.7

The proceeds of all bonds issued and all revenues and other moneys received pursuant to the authority of this Part shall be deemed to be trust funds, to be held and applied solely as provided in this Part. The resolution authorizing the issuance of bonds shall provide that any officer to whom, or bank, trust company or fiscal agent to which, such moneys shall be paid shall act as trustee of such moneys and shall hold and apply the same for the purposes hereof, subject to such regulations as such resolution may provide.