A county may cooperate with the State and other local governments in law-enforcement matters, as permitted by G.S. 160A-283 (joint auxiliary police), by G.S. 160A-288 (emergency aid), G.S. 160A-288.1 (assistance by State law-enforcement officers), and by Chapter 160A, Article 20, Part 1.
N.C. Gen. Stat. § 153A-212