2 Miss. Code. R. 1-3-01-125.01
The movement or shipment into the State of Mississippi of seed sweet potatoes, sweet potato plants and vines, and all morning-glory plants or parts of plants from points outside of the State of Mississippi is prohibited under Miss. Code Ann. § 69-25-7, § 69-25-15, § 69-25-17, § 69-25-19, § 69-25-23, and § 69-25-35, except when such shipments have attached to each container a permit certificate tag of the Bureau of Plant Industry. All out-of-state sweet potato plants, vines and cuttings sold in Mississippi must be tied in bundles of 50 or 100 plants or vine cuttings with valid certificate tape issued either by the Bureau of Plant Industry or the proper inspection official of the state of origin. The bundles must be labeled to show the number of plants or vine cuttings per bundle. Individual potted plants or rooted vine cuttings may be offered for sale provided a valid certificate tag is attached to each display crate or container in which individual plants or rooted vine cuttings may be offered for sale provided each pot or growth container has tied around such container official certificate tape as is required for bundles of plants.
2 Miss. Code. R. 1-3-01-125.01