N.C. Gen. Stat. § 106-1069: Standards for grades.

The most recent standards for grades adopted by the United States Department of Agriculture, Agricultural Marketing Service, United States Standards for Grades of Sweet Potatoes are adopted by reference and shall be the standards for grades in this State, except that the Commissioner may establish tolerances or allowable percentages of United States standards each season upon the recommendation of the North Carolina Sweetpotato Quality and Branding Advisory Council. (2020-18, s. 6; 2020-80, s. 2.7(b).)