2 Miss. Code. R. 1-3-01-124.01
In order to prevent the dissemination of soil rot, stem rot, sweet potato mosaic, black rot, scurf, nematodes, sweet potato weevil and other injurious diseases and insects of the sweet potato, the Bureau of Plant Industry, Mississippi Department of Agriculture and Commerce, under provisions of Miss. Code Ann. §§ 69-25-7, 69-25-15, 69-25-17, 69-25-19, 69-25-25, and 69-25-37, does hereby promulgate, declare and give public notice hereof of the following regulations governing the movement or shipment within the state of Mississippi of sweet potatoes for planting purposes, sweet potato plants or vines; PROVIDED, that no sweet potatoes, sweet potato plants, or vines within the areas which have been designated by the Bureau of Plant Industry as infested with the sweet potato weevil shall be eligible for certification, except as provided for APPROVED GRADE in section 126(5)(a)
2 Miss. Code. R. 1-3-01-124.01