EDIT : Window Tinting for Oregon
815.221 Tinting; authorized and prohibited materials; certificate.
(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:
(a) The tinting material has a light transmittance of 50 percent or
more;
(b) The tinting material has a light reflectance of 13 percent or
less; and
© The total light transmittance through the window with the
tinting material applied is 35 percent or more.
(3) Tinting material that has a lower light transmittance or
produces a lower total light transmittance than permitted in
subsection (2)(a) and © 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 © 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 49 C.F.R. s571.205 (1993) and the American National
Standards Institute standards incorporated by reference in that
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 © 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 an affidavit signed by
a validly licensed physician or optometrist stating that the person
has a physical condition requiring window tinting that produces a
lower light transmittance than allowed by this section. The affidavit
required by this subsection shall be kept in the vehicle and shall be
shown to a police officer who inquires about the tint.
(6) The following types of tinting material are not permitted:
(a) Mirror finish products.
(b) Red, gold, yellow, amber or black material.
© Tinting material that is in liquid preapplication form and is
brushed or sprayed on.
(7) Each person who installs window tinting material in compliance
with this section shall give the person who requested the installation
a certificate stating:
(a) The name and address of the person who installed the tint;
(b) The light transmittance of the tinting material;
© The light reflectance of the tinting material; and
(d) That the total light transmittance through each window with the
tinting material applied is not less than 35 percent.
(8) The certificate issued under subsection (7) of this section
shall be kept in the motor vehicle and shall be shown to a police
officer who inquires about the tint.
(9) Prohibitions and penalties related to the standards established
under this section are provided under ORS 815.222.
815.222 Illegal window tinting; penalty.
(1) A person commits the offense of illegal window tinting if the
person applies window tinting material that does not comply
with ORS 815.221 or applies window tinting material to a window
of a motor vehicle that is not authorized by ORS 815.221 to be
equipped with window tinting material.
(2) A person commits the offense of operating a vehicle with illegal
window tinting if the person operates a vehicle registered or required
to be registered in Oregon that is equipped with window tinting
material that is not in compliance with or authorized by ORS 815.221.
(3) Each offense described in this section is a Class B traffic
infraction.
PA Motor Vehicle Code
Ch. 45 75 Section 4524 (e)(1)
(e) Sun screening and other materials prohibited.
(1) No person shall drive any motor vehicle with any sun screening device or other material which does not permit a person to see or view the inside of the vehicle through the windshield, side wing or side window of the vehicle.
(2) This subsection does not apply to:
(i) A vehicle which is equipped with tinted windows of the type and specification that were installed by the manufacturer of the vehicle or to any hearse, ambulance, government vehicle or any other vehicle for which a currently valid certificate of exemption has been issued in accordance with regulations adopted by the department.
(ii) A vehicle which is equipped with tinted windows, sun screening devices or other materials which comply with all applicable Federal regulations and for which a currently valid certificate of exemption for medical reasons has been issued in accordance with regulations adopted by the department.
(3) A certificate of exemption shall be issued by the department for a vehicle which is:
(i) Registered in this Commonwealth on the effective date of this subsection and is equipped with a sun screening device or other material prohibited under paragraph (I) on the effective date.
(ii) Equipped with tinted windows, sun screening devices or other materials for a physical condition that makes it necessary to equip the motor vehicle with sun screening material which would be of a light transmittance or luminous reflectance in violation of this section.
(A) A certificate of exemption for medical reasons shall be issued only if the owner or registrant of the vehicle, or a person residing in the household of the owner or registrant who regularly drives or is driven in the vehicle, suffers from a physical condition deter-mined by the department, in consultation with the Medical Advisory Board, to justify the exemption.
(B) Any person requesting an exemption for medical reasons shall have his physical condition certified to the department by a licensed physician or optometrist.
(4) A certificate of exemption issued under this subsection shall be carried in the vehicle and displayed on request of a police officer.
(5) Upon the sale or transfer of the vehicle to any person who does not qualify under paragraph (2)(ii), the exemption shall be null and void. Prior to the sale or transfer of an exempt vehicle, it shall be the sole responsibility of !he owner or seller of a formerly exempt vehicle to remove all sun screening or other materials from the vehicle. At the time of the sale or transfer of a formerly exempt vehicle, the owner shall remove and destroy the certificate of exemption for physical reasons and provide the purchaser with a notarized statement setting forth the name and address of the owner or seller, the vehicle identification number, year and model, and the business entity and process used to remove the sun screening or other material.