(2) An individual placard or decal shall contain an expiration date that is visible from outside the vehicle when the placard or decal is displayed on or in the vehicle.
(3) A placard or decal issued under this section shall be valid for a period of eight years from the date of issue. A placard or decal may be renewed in a manner determined by the department by rule. [1989 c.243 §4; 2005 c.406 §2; 2008 c.1 §31; 2021 c.630 §5]