Va. Code Ann. § 3.2-4303

The Commissioner, in carrying out the provisions of § 3.2-4302, shall adopt grades recommended or adopted by the U.S. Department of Agriculture if they are suitable for use in Virginia. If there is a demand for additional or different grades or standards by those persons in the Commonwealth producing and handling such products, the Commissioner may establish and adopt grades or standards that are additional to or different from those recommended or adopted by the U.S. Department of Agriculture.