The head of every state agency shall certify by his or her signature on each contract entered into by that state agency that:
(1) All information required by law and by rule is supplied;
(2) The proper contracting form is utilized;
(3) All information contained in the contract is true and correct to the best of his or her knowledge and belief;
(4) All general guidelines prescribed by the State Procurement Director have been complied with;
(5) The services proposed to be provided under the contract are necessary for operation of the state agency in fulfilling its legal responsibilities and cannot be provided by any existing state agency;
(6) The contractor is fully qualified to perform the contract and has no vested interest in the subject matter of the contract that would constitute a conflict of interest and a bar to the contractor's providing services of a professional and disinterested quality;
(7) The contract terms are reasonable and the benefits to be derived are sufficient to warrant the expenditure of the funds called for in the contract;
(8) Sufficient funds are available to pay the obligations when they become due; and
(9) A projected total cost of the contract is provided to include expenditures that may be incurred under all available periods of extension if the extensions were executed.