Va. Code Ann. § 3.2-5103

The Commissioner with the approval of the Board shall establish and publish standards or limits of variability permissible in any article of food, and these standards shall be the standards before all courts. When standards have been or may be established by the U.S. Department of Health and Human Services, they shall be accepted by the Department and published as standards for the Commonwealth, but such standards shall not go into effect until a reasonable time after publication. The Commissioner, with the approval of the Board, shall have authority to adopt uniform regulations for carrying out the provisions of this section.