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.

Laws 1971, HB 1155, c. 281, § 5-123, emerg. eff. July 2, 1971; Amended by Laws 1982, HB 1381, c. 143, § 2; Amended by Laws 1985, SB 222, c. 101, § 1, emerg. eff. May 28, 1985; Amended by Laws 1989, HB 1065, c. 300, § 16, emerg. eff. July 1, 1989; Amended by Laws 1999, SB 262, c. 86, § 1, emerg. eff. July 1, 1999 (superseded document available).