Mississippi Code Title 37. Education § 37-39-15

(1) In connection with the purchase of necessary supplies or equipment for the conduct of regular school operations, school boards may, in their discretion, designate as their purchasing agent or agents such school official or officials as they see fit and may authorize such agent or agents to make purchases of supplies and equipment subject to competitive bid requirements in Sections 31-7-1 et seq., Mississippi Code of 1972.

(2) Supplies that are perishable or foods purchased for use in connection with the school lunch and homemaking programs shall be exempted from competitive bid requirements. However, each school board shall adopt and place in its minutes definite policies for guidance of agents of such boards in connection with purchases of perishable supplies or foods which are unstable or variable in price. Such policies shall have the effect of law and any violations shall be subject to the penalties as provided by law.