Mississippi Code Title 31. Public Business, Bonds and Obligations § 31-7-61

It shall be unlawful for any person knowingly to purchase or to authorize or requisition the purchase of beef other than beef raised and produced within the United States when such purchase is to be paid by the state government or any of its political subdivisions out of public funds of any nature. However, all canned meats not available which are processed in the United States shall be exempt from Sections 31-7-61 through 31-7-65.