233.22  Requisition of instructional materials from publisher's depository.--The superintendent shall requisition adopted instructional materials from the depository of the publisher with whom a contract has been made. The superintendent shall verify that such requisition is complete and accurate and order the depository to forward to him or her the adopted instructional materials shown by the requisition. The depository shall prepare an invoice of the materials shipped, including shipping charges, and mail it to the superintendent to whom the shipment is being made. The superintendent shall pay the depository within 60 days after receipt of the requisitioned materials from the appropriation for the purchase of adopted instructional materials.