N.C. Gen. Stat. § 86B-33
Licensure to be displayed.
§ 86B-33. Licensure to be displayed.
Every holder of a barber license, apprentice license, barbershop permit, mobile barbershop permit, barber school permit, instructor's certificate, or temporary permit issued pursuant to G.S. 86B-27 shall display it in a conspicuous place adjacent to or near the person's work chair.