No expenditure involving an amount greater than Five Hundred Dollars ($500.00) shall be made by a board of education except in accordance with the provisions of a written contract or purchase order.
Okla. Stat. tit. 70, § 5-123
No expenditure involving an amount greater than Five Hundred Dollars ($500.00) shall be made by a board of education except in accordance with the provisions of a written contract or purchase order.
Okla. Stat. tit. 70, § 5-123