(a) The Department of Administration shall examine and audit every receipt, account, bill, claim, refund, and demand on the funds in the state treasury arising from activities carried on by state agencies. It shall determine whether or not the obligation is incurred in accordance with laws and regulations adopted under authority of law, and that the amount is correct and is unpaid.
(b) The department may not approve for payment an account, bill, claim, refund, or demand on funds in the state treasury unless the claim is ordered by act of the legislature or is contracted against the state by an authorized officer or agent of the state.