N.C. Gen. Stat. § 106-267
The State Board of Agriculture shall have full power to make and promulgate rules and regulations for the Department of Agriculture and Consumer Services in its inspection and control of the purchase and sale of milk and other dairy products in North Carolina; to make and establish definitions, not inconsistent with the laws pertaining thereto; to qualify and determine the grade and contents of milk and of other dairy products sold in this State; to regulate the manner of testing the same and the handling, treatment and sale of milk and dairy products, to require processors of fortified milk and milk products to pay all costs for assays of vitamin-fortified products, to provide for the issuance of permits upon compliance with this Article and the rules and regulations promulgated thereunder and to promulgate such other rules and regulations not inconsistent with the law as may be necessary in connection with the authority hereby given to the Commissioner of Agriculture on this subject.
N.C. Gen. Stat. § 106-267