Oregon Revised Statutes Oregon Vehicle Code § 815.221

(1) Notwithstanding any other provision of law, a person may apply tinting material to the windows of a motor vehicle in compliance with this section.

(2) Tinting material may be applied to the side and rear windows of a motor vehicle if:

(3) Tinting material that has a lower light transmittance or produces a lower total light transmittance than permitted in subsection (2)(a) and (c) of this section may be applied to the top six inches of a windshield. Tinting material may not be applied to any other portion of the windshield.

(4) Tinting material that has a lower light transmittance or produces a lower total light transmittance than permitted in subsection (2)(a) and (c) of this section may be applied to all windows of a multipurpose passenger vehicle that are behind the driver. This subsection applies only to vehicles that are equipped with rearview mirrors on each side of the vehicle. The windows as tinted shall meet the requirements for AS-3 glazing material established by federal regulation. For purposes of this subsection, a “multipurpose passenger vehicle” is a motor vehicle with motive power that is designed to carry 10 or fewer persons and is constructed either on a truck chassis or with special features for occasional off-road operation.

(5) Tinting material that has a lower light transmittance or produces a lower total light transmittance than permitted in subsection (2)(a) and (c) of this section may be applied to the side and rear windows of a vehicle registered in the name of a person, or the person's legal guardian, if the person has any of the following documents signed by a validly licensed physician or optometrist stating that the person or another person in the person's household has a physical condition requiring window tinting that produces a lower light transmittance than allowed by this section:

(6) The document required by subsection (5) of this section shall be kept in the vehicle and shall be shown to a police officer who inquires about the tint.

(7) There are no light transmittance requirements for glazing materials applied to AS-3 type windows.

(8) The following types of tinting material are not permitted:

(9) Each person who installs window tinting material in compliance with this section shall give the person who requested the installation a certificate stating:

(10) The certificate issued under subsection (9) of this section shall be kept in the motor vehicle and shall be shown to a police officer who inquires about the tint.

(11) Prohibitions and penalties related to the standards established under this section are provided under ORS 815.222.