The President of the Alabama Institute for Deaf and Blind, upon receipt of any shipment of books as provided herein, shall determine if the shipment is in accordance with the invoices or bills. If in accordance he shall approve and receipt the invoice, one copy of which he shall send to the State Superintendent of Education and one copy to the publisher. Upon approval of the State Superintendent of Education, payment shall be made for such purchase and charged against the portion of the state textbook fund which has been credited to the Alabama Institute for Deaf and Blind as provided by law.