Miss. Code Ann. § 27-35-4

(1) All Class I property, as defined in Section 112, Mississippi Constitution of 1890 , shall be assessed at the rate of ten percent (10%) of true value. (2) All Class II property and Class III property, as defined in Section 112, Mississippi Constitution of 1890 , shall be assessed at the rate of fifteen percent (15%) of true value. (3) All Class IV property and Class V property, as defined in Section 112, Mississippi Constitution of 1890 , shall be assessed at the rate of thirty percent (30%) of true value.