The Chief of Police of each municipality in this State shall issue to any person who has temporarily lost the use of one or more limbs or is temporarily disabled as to be unable to ambulate with the aid of an assisting device or whose mobility is otherwise temporarily limited as certified by a physician, podiatrist or chiropractor…a temporary placard. A temporary placard may, however, be renewed one time at the discretion of the issuing authority for a period of not more than 6 months duration. The placard shall be displayed on the motor vehicle used by the temporarily handicapped person.