North Carolina Administrative Code Title 17 — Revenue
17 NCAC 07B .2702 — Sales To Dental Laboratories
(a) Sales to dental laboratories do not qualify for the exemption in G.S. 105-164.13(5e) and G.S. 105-164.13(8) unless they are identified in Paragraphs (b) or (c) of this Rule. (b) Pursuant to G.S. 105-164.13(8), sales to dental laboratories of tangible personal property that becomes a component part of a dental prosthesis manufactured by the dental laboratories are exempt from sales and use tax. (c) Pursuant to G.S. 105-164.13(5e), sales to dental laboratories of machinery, equipment, parts, or accessories used directly in manufacturing a dental prosthesis are exempt from sales and use tax. (d) Sales to contractors and subcontractors of machinery, equipment, parts, or accessories for use by them in the performance of contracts with dental laboratories are exempt from sales and use tax pursuant to G.S. 105-164.13(5e), if the machinery, equipment, parts, or accessories will be used by the dental laboratories directly in manufacturing dental prostheses.
Source: official text