(a) No person shall drive any vehicle upon a highway with any sign, poster or other nontransparent material upon the front windshield, side wings or side or rear window of such motor vehicle, other than a certificate or other paper required to be so displayed by law.
(b) No person shall drive upon a highway a vehicle with a removable windshield placard issued pursuant to § 2135 of this title or pursuant to a similar statute of any other state or country hanging from or attached to the vehicle's front windshield rearview mirror. A person may be found guilty of violating this subsection whether or not the placard is valid.
Structure Delaware Code
Chapter 43. EQUIPMENT AND CONSTRUCTION OF VEHICLES
Subchapter I. Equipment Requirements
§ 4302. Projections from periphery of tires; exceptions.
§ 4303. Brakes — General requirements.
§ 4304. Brakes — Performance requirements.
§ 4305. Brakes — Trailers and semitrailers.
§ 4306. Horns and other sound devices; unlawful use.
§ 4307. Warning devices for emergency vehicles.
§ 4309. Obstructions to view on windshield or windows.
§ 4311. Mufflers; cutout prohibited.
§ 4312. Safety glass — Equipment; definition.
§ 4313A. Commercial window tinting.
§ 4314. Lights and reflectors; change of original design or performance of vehicle.
§ 4315. Penalties for §§ 4301-4316.
§ 4316. Directional signal lights.
§ 4317. Protectors or flaps behind rear wheels of vehicles.