N.C. Gen. Stat. § 160A-627

Except as provided in G.S. 160A-626, the Authority shall be deemed a city for purposes of civil liability pursuant to G.S. 160A-485. Governmental immunity of the Authority is waived to a minimum of twenty million dollars ($20,000,000) per single accident or incident. The Authority shall maintain a minimum of twenty million dollars ($20,000,000) per single accident or incident of liability insurance. Participation in a local government risk pool pursuant to Article 23 of Chapter 58 of the General Statutes shall be deemed to be the purchase of insurance for the purpose of this section.