Miss. Code Ann. § 69-3-113

The duly approved state seed certifying agency is hereby vested with the full authority to establish, create and specify rules and regulations for the designation of seeds, plants and plant parts and other farm products as certified or Mississippi certified to be grown, harvested, offered for sale or distributed. Such rules and regulations shall be approved by the state seed board before becoming effective. No seeds, plants or plant parts or other farm products grown or to be grown in Mississippi shall be eligible for certification hereunder except by full compliance as to standards, requirements and forms of or for certification as may be made by the duly approved state seed certifying agency. No certification within the provisions of this article shall be made or authorized except through the approved state certifying agency as herein provided.