Miss. Code Ann. § 83-5-27

No stock, mutual, reciprocal, or other insurer shall make available to any resident or group of residents of this state, through any rating plan or form, fire, inland marine, casualty or surety insurance, or type or combination thereof, whether by master policy, series of policies, certificates of insurance, or otherwise, to any person, firm, corporation, or association of individuals, any preferred rate or premium based upon any fictitious grouping of such person, firm, corporation, or association of individuals, which fictitious grouping is hereby defined and declared to be any grouping by way of membership, license, franchise, agreement, or any other method or means; provided, however, that the foregoing shall not apply to life, accident, health, and hospitalization insurance.