(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. The expiration date shall be the same as the expiration date of the driver license, golf cart driver permit, identification card or parking identification card of the holder of the placard. [1989 c.243 §4; 2005 c.406 §2; 2008 c.1 §31]