(1) The secretary of the first class school district board shall issue and sign a warrant upon the treasurer for payrolls, bills, and accounts that become due and payable under a contract or because of a previous authorization or action of the board after the payrolls, bills, and accounts are registered and charged to the appropriations from which they are payable. The treasurer, upon receipt of the warrant, shall issue a check in payment thereof.

    (2) Other claims and demands against the first class school district shall be made under the regulations of the board. The board, before paying a bill, account, or claim, may require that it be accompanied by a certificate of the person rendering it that the services or the property charged have been actually performed or delivered for the school district, that the sums charged are reasonable and just, and that to the best of that person’s knowledge and belief no setoff exists nor payment has been made on account except as included or referred to in the account presented. A similar certificate shall be required on all payrolls, the certificate to be made by the person who supervises the services charged.

    (3) If the question under section 410 is approved in the first class school district, then the chief executive officer appointed under section 420 or his or her designee has the powers and shall perform the duties of the board of the first class school district or board officers under this section.