N.C. Gen. Stat. § 81A-52

All public weighmasters shall be licensed. Any person not less than 18 years of age who wishes to be a public weighmaster shall apply to the Department on a form provided by the Department. A person operating as a public weighmaster outside of this State shall include with the person's application for licensure in this State a copy of the most recent weighing device inspection report performed by the person's local or state weights and measures officials within the 12-month period immediately preceding the date of application. The Board may adopt rules for determining the qualifications of the applicant for a license. Public weighmasters shall be licensed for a period of one year beginning the first day of July and ending on the thirtieth day of June, and a fee of nineteen dollars ($19.00) shall be paid for each person licensed at the time of the filing of the application.