Safety glass — Federal safety standards applicable to windshield, front side window, and side wings; window tinting.
Del. Code tit. 21, § 4313
in effect(a) Subject to subsections (b) through (f) of this section, it is unlawful to operate a motor vehicle on a public highway, road, or street if the windshield, side windows to the immediate right and left of the driver, side wings forward of and to the left and right of the driver, side windows behind the driver, or the rear window do not meet the requirements of Federal Motor Vehicle Safety Standard 205, 49 C.F.R. § 571.205, which is in effect at the time of the motor vehicle’s manufacture.
(b) Window tint or other material may be applied along the top edge of a motor vehicle’s windshield if the window tint or other material is transparent and does not encroach on the AS-1 portion of the windshield as provided under Federal Motor Vehicle Safety Standard 205, 49 C.F.R. § 571.205.
(c) (1) Window tint or other material may be applied to the side windows to the immediate right and left of the driver and side wings forward of and to the left and right of the driver, if the window tint or other material has a visible light transmission of 50% or greater.
(2) Window tint or other material having a visible light transmission of 0% or greater may be applied to the side windows behind the driver or the rear window.
(d) A person is not in violation of this section if the person possesses a statement signed by a licensed practitioner of medicine and surgery, osteopathic medicine, or optometry verifying that tinted windows are medically necessary for the owner or usual operator of the motor vehicle.
(e) This section does not apply to anodized glass which is correctly installed in the windshield and windows of an antique motor vehicle or street rod, as defined under § § 2196 and 2197 of this title, or of a motor vehicle validly insured under an antique, classic, or street rod designated motor vehicle insurance policy that covers the motor vehicle, under § 2118 of this title.
(f) This section does not apply to a vehicle operated by a law-enforcement officer, as “law-enforcement officer” is defined under § 222 of Title 11
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title21/c043/sc01/index.htmlFetched: 10/4/2026