Whenever practicable, considering factors such as storage capacity, product shelf life and available funding, it shall be the policy of the division to purchase supplies in quantities sufficient to meet anticipated needs for a period of at least three months, but not, however, to exceed anticipated needs for more than one year. (Added by Ord. 80-110 § 2, Jan. 20, 1981; Amended by Ord. 86-003 § 11, Feb. 12, 1986; Amended by Ord. 89-027 § 10, May 17, 1989).