N.C. Gen. Stat. § 81A-72

The Commissioner or his authorized agent shall register any person who has complied with the requirements of this Article by making a record of receipt of application, and the issuing of a certificate or card of registration to applicant, whereupon the applicant becomes a registered scale technician and shall be known thereafter as such. Such registration shall be in effect from date of registration until July 1 next and shall be renewed on the first day of July of each year thereafter. A fee of twenty dollars ($20.00) shall accompany each application for registration and each annual registration renewal.