ORS 293.295: When claim against moneys in State Treasury may be paid.

A claim for payment from any moneys in the State Treasury may not be paid unless:

      (1) The claim is supported by the approval of the state agency that incurred the obligation or made the expenditure on which the claim is based;

      (2) Provision for payment of the claim is made by law and appropriation;

      (3) The obligation or expenditure on which the claim is based is authorized as provided by law; and

      (4) The claim otherwise satisfies requirements as provided by law.