N.C. Gen. Stat. § 83A-12
The purpose of the Chapter is to safeguard life, health and property. It shall be unlawful for any individual, firm or corporation to practice or offer to practice architecture in this State as defined in this Chapter, or to use the title "Architect" or "Registered Interior Designer" or any form thereof, except as provided in Chapter 89A for Landscape Architects, or to display or use any words, letters, figures, titles, sign, card, advertisement, or other device to indicate that such individual or firm practices or offers to practice architecture as herein defined or is an architect or architectural firm qualified to perform architectural work, or is a registered interior designer or a registered interior design firm qualified to perform interior design work, unless such person holds a current individual or corporate certificate of admission to practice architecture or registration to practice interior design under the provisions of this Chapter.
N.C. Gen. Stat. § 83A-12