Minn. R. 1545.0220
LABELING OF GRADED MEAT
No person, as defined in Minnesota Statutes, section 31.01 , subdivision 2, shall advertise, label, or sell any meat or meat product as "prime," "choice," "select," "commercial," "standard," or "utility" unless the meat or meat product so advertised, labeled, or sold is derived from meat which actually bears the USDA federal meat grading stamp designating such grade.