Designation of parking spaces for handicapped persons on streets and public vehicular areas shall comply with G.S. 136-30. A sign designating a parking space for handicapped persons shall state the maximum penalty for parking in the space in violation of the law. § 20-37.6 (f) states that the maximum fine for violating G.S. 20-37.6(e)(1), (2) or (3) is an infraction which carries a penalty of at least one hundred dollars ($100.00) but not more than two hundred fifty dollars ($250.00).