All open purchase orders for $5,000 or less must have the following either included on the P.O. or attached:
"This is to certify that only the commodities/services shown will be purchased and that no items currently covered by any state contract will be purchased under the terms of this purchase order without proper approval from the Office of Purchasing, Travel and Fleet Management. This procedure will not be used to separate purchases so as to circumvent any laws, regulations or policies of the State of Mississippi."
12 Miss. Code. R. 6-10.107.03