(a) The original copy of all checks drawn in connection with the disbursement of public funds for which the disbursing officer is responsible shall bear the manual signature of the disbursing officer or his or her authorized agent, or may contain or bear a mechanically produced facsimile signature of the disbursing officer or his or her authorized agent.
(b) When the Chief Fiscal Officer of the State has determined that the executive head of a state agency has established adequate internal administrative procedures and controls pursuant to law, and that determination has been made only after the Chief Fiscal Officer of the State has consulted with the Legislative Auditor, the Chief Fiscal Officer of the State may grant an exemption from manual signatures to allow for a computer-produced digitized signature of the disbursing officer or his or her authorized agent.