N.C. Gen. Stat. § 83A-9

This Chapter neither prevents practice of architecture or interior design as defined in this Chapter by a partnership nor requires partnership seals or certificates of practice provided that the members of the partnership are duly licensed to practice architecture or are registered interior designers for any partnership that wishes to hold itself out as a registered interior design entity, and, provided that the partnership files with the Board and keeps current a list of the partners, their license identifications, and the types of services offered by the partnership.