2 Miss. Code. R. 1-3-01-127
In order to prevent the further introduction into and dissemination within Mississippi of mosaic, scab, leaf roll, spindle tuber, late blight, wilt, wart, and other diseases of Irish potatoes, under provisions of Miss. Code Ann. §§ 69-25-7, 69-25-15, 69-25-17, 69-25-19, 69-25-25, and 69-25-35, the Bureau of Plant Industry, Mississippi Department of Agriculture and Commerce, does declare and give public notice thereof that the sale of Irish potatoes for seed purposes in Mississippi is prohibited except when such potatoes bear certificates from the legally constituted inspection officials of the state in which they were grown, or from such other agencies as may be approved by the Bureau of Plant Industry, to the effect that they have been inspected and found to meet the required certification standards of the state of origin; PROVIDED, that potatoes which have not met the following minimum standards for certification shall not be sold for seed purposes in Mississippi:
| Pest | Tolerances |
| Rugose Mosaic | 2% |
| Spindle Tuber | 2% |
| Leaf Roll | 2% |
| Total of above virus disease not to exceed | 3% |
| Mild Mosaic | 5% |
| Other diseases known or suspected to be | |
| Of virus origin, such as yellow dwarf, | |
| witches' broom, haywire, giant hill, | |
| rosette, spinach leaf, curly dwarf | 2% |
| Sclerotium rolfsii blight | 1% |
| Tuber Moth, Potato Wart, Ring Rot, Late Blight | 0% |
| Pest | Tolerances |
| Stem End Discoloration | 4% |
| Hair Sprout | 5% |
| Spindle Tuber | 1% |
| Scab and Rhizoctonia solani | 6% of the tubers by weight, that have more than 5% of the surface covered by scab or rhizoctonia |
| Net Necrosis | 5% |
| Sclerotium rolfsii blight | 1% |
| Tuber Moth, Late Blight, Nematodes, Potato Wart, Ring Rot | 0% |
2 Miss. Code. R. 1-3-01-127