Idaho Code § 67-9226: discounts.

(1) Whenever an employee of an agency is charged with the responsibility of procuring property for and on behalf of the state, the employee shall, if possible, negotiate discounts normally given in the ordinary course of business including, but not limited to, discounts for prompt payment and discounts for bulk acquisitions.

(2) It shall be the duty of the administrator to prescribe by rule the manner by which to obtain discounts.