N.C. Gen. Stat. § 88B-23: Licenses to be posted.

(a) Every apprentice, cosmetologist, esthetician, manicurist, natural hair care specialist, and teacher licensed under this Chapter shall display the certificate of license issued by the Board within the shop in which the person works.

(b) Every certificate of license to operate a cosmetic art shop or school shall be conspicuously posted in the shop or school for which it is issued. (1933, c. 179, s. 24; 1998-230, s. 2; 2009-521, s. 11.)