N.C. Gen. Stat. § 106-451.14

The Commissioner or his designated representative, may upon presentation of satisfactory proof of competency, issue to any person a license to inspect, sample, or classify any cotton stored or to be stored in a warehouse licensed under this Article, according to condition, grade, or otherwise and to certificate the condition, grade, or other class thereof, or to weigh the same and certificate the weight thereof, or both to inspect, sample, or classify and weigh the same and to certificate the condition, grade, or other class and the weight thereof, upon condition that such person agree to comply with and abide by the terms of this Article and of the rules and regulations prescribed hereunder.