N.C. Gen. Stat. § 74F-12
Posting licenses; advertisements.
§ 74F-12. Posting licenses; advertisements.
(a) Every locksmith issued a license under this Chapter shall display the license prominently in the locksmith's place of business.
(b) All advertisements for locksmith services shall include a valid license number issued by the Board. The license number of the owner of the locksmith company shall satisfy the requirements of this subsection.