On all vouchers or accounts for payment of state funds by warrant of the state Comptroller which, by general or special law, require the approval of the Governor, such approval may be indicated thereon by method of certification by the director or executive officer duly designated for the department requesting payment that the Governor's approval has been obtained.
Certification executed pursuant to this section shall constitute prima facie evidence of the Governor's approval for such payment.
Ala. Code § 41-4-55 (1975)