Mississippi Code Title 75. Regulation of Trade, Commerce and Investments § 75-75-115

All contracts relating to the holding or staging of any boxing, wrestling, or sparring match or exhibition in Mississippi, or relating to any participation therein, shall contain a provision to the effect that all rules passed or adopted by the commission, either before or after the execution of the contract, shall be considered as a part of the contract, the same as if said rules were fully set out in the body of the instrument.