Kan. Stat. Ann. § 50-662
No person who prepares an estimate of repair shall specify the use of after market parts in the repair of a motor vehicle without disclosing the intended use of such parts to the owner. In all instances where after market parts are intended for use, the written estimate shall clearly identify each such part as being an after market part, and a disclosure document containing the following information in 10-point or larger type shall appear on or be attached to the owner's copy of the estimate:
L. 1989, ch. 34, § 3; July 1.