N.C. Gen. Stat. § 67-4.2

(1) It is unlawful for an owner to: Leave a dangerous dog unattended on the owner's real property unless the dog is confined indoors, in a securely enclosed and locked pen, or in another structure designed to restrain the dog;

(2) Permit a dangerous dog to go beyond the owner's real property unless the dog is leashed and muzzled or is otherwise securely restrained and muzzled.

(3) If the owner of a dangerous dog transfers ownership or possession of the dog to another person (as defined in G.S. 12-3(6)), the owner shall provide written notice to: The authority that made the determination under this Article, stating the name and address of the new owner or possessor of the dog; and

(4) The person taking ownership or possession of the dog, specifying the dog's dangerous behavior and the authority's determination.

(5) Violation of this section is a Class 3 misdemeanor.