N.C. Gen. Stat. § 160A-914

The establishment and operation of an authority are governmental functions and constitute a public purpose, and the State of North Carolina and any unit of local government may appropriate funds to support the establishment and operation of the authority. The State of North Carolina and any unit of local government may also dedicate, sell, convey, donate, or lease any of their interests in any property to the authority. An authority may apply for grants from the State of North Carolina, or from the United States or any department, agency, or instrumentality thereof. The Department of Transportation may allocate to an authority any funds appropriated for public transportation or any funds whose use is not restricted by law.