Maryland Code § TR-22-406

Section TR-22-406
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(a) (1) In this section the following words have the meanings indicated.

(2) "Aftermarket safety glass replacement" means motor vehicle
safety glass replacement services that occur after the original installation by a vehicle
manufacturer.
(3) "Safety glass" means:
(i) Any glass product that is so made or treated as
substantially to prevent the glass from shattering and flying when struck or broken;
or
(ii) Any similar or other product that the Administration
approves.
(b) A person may not drive on any highway in this State any motor vehicle
manufactured or assembled after June 1, 1937, and registered in this State, unless
the vehicle is equipped with safety glass wherever glass is used in the motor vehicle
in doors, windows, windshields, and wings.
(c) A person may not sell any motor vehicle manufactured or assembled
after June 1, 1937, registered or intended to be registered in this State and driven or
intended to be driven on any highway in this State, unless the vehicle is equipped
with safety glass wherever glass is used in the motor vehicle in doors, windows,
windshields, and wings. Each sale in violation of this provision is a separate offense.
(d) The owner of any motor vehicle may not have broken glass in the
windshield of the vehicle replaced with any glass other than safety glass.
(e) The owner of any motor vehicle may not have safety glass, broken or
otherwise, in doors, windows, or wings of the motor vehicle replaced with any glass
other than safety glass.
(f) A person may not install in the doors, windows, windshields, and wings
of any motor vehicle any glass other than glass required by subsections (d) and (e) of
this section.
(g) (1) (i) The Administration shall compile, maintain, and publish a
list, by name, of the types of glass approved by it as conforming to the specifications
and requirements of safety glass as set forth in this section.
(ii) The Administration shall adopt regulations establishing
standards and requirements for aftermarket safety glass replacement that:
1. Require that the products and services used meet or
exceed original equipment manufacturer specifications;

2. Require the use of motor vehicle safety glass that
meets American National Standards Institute Z26.1 in accordance with Federal
Motor Vehicle Safety Standard 205 and any other applicable federal motor vehicle
safety standard adopted by the National Highway Transportation Safety
Administration; and
3. Meet or exceed the standards and requirements of
the American National Standards Institute/Auto Glass Safety Council/Automotive
Glass Replacement Safety Standard.
(2) The Administration may not register any motor vehicle that is
subject to the provisions of this section unless it is equipped with an approved type of
safety glass and shall suspend the registration of any motor vehicle subject to this
section that the Administration finds is not so equipped until the vehicle is made to
conform to the requirements of this section.
(h) In case of any violation of any provision of this section by any common
carrier or person operating under a permit issued by the Public Service Commission
of Maryland, the permit shall either be revoked or, in the discretion of the
Commission, suspended until the provision is complied with to the satisfaction of the
Commission.
(i) (1) Except as provided in paragraph (4) of this subsection, a person
may not operate a vehicle registered under § 13-912, § 13-913, § 13-917, or § 13-937
of this article on a highway in this State if:
(i) In the case of a vehicle registered under § 13-912 of this
article, there is affixed to any window of the vehicle any tinting materials added to
the window after manufacture of the vehicle that do not allow a light transmittance
through the window of at least 35%; and
(ii) In the case of a vehicle registered under § 13-913, § 13-
917, or § 13-937 of this article, there is affixed to any window to the immediate right
or left of the driver any window tinting materials added after manufacture of the
vehicle that do not allow a light transmittance through the window of at least 35%.
(2) If a police officer observes that a vehicle is being operated in
violation of paragraph (1) of this subsection, the officer may stop the driver of the
vehicle and, in addition to a citation charging the driver with the offense, issue to the
driver a safety equipment repair order in accordance with the provisions of § 23-105
of this article.

(3) A person may not install on a window of a vehicle any window
tinting material that does not comply with the light transmittance requirements
specified in paragraph (1) of this subsection.
(4) (i) A person who must be protected from the sun for medical
reasons is exempt from the provisions of paragraph (1) of this subsection if the owner
has, in the vehicle at the time the vehicle is stopped by a police officer, a written
certification in the manner and format required by the Automotive Safety
Enforcement Division of the Department of State Police that details the owner's
medical need for tinted windows with a light transmittance of less than the allowed
35%, from a physician licensed to practice medicine in the State.
(ii) 1. Except as provided in subsubparagraph 2 of this
subparagraph, a written certification under this paragraph shall be valid for a period
of time that the licensed physician determines the owner needs the enhanced tinted
windows, not to exceed 2 years.
2. If the licensed physician determines that the owner's
medical condition is permanent, a written certification under this paragraph shall be
valid indefinitely.
(iii) This subsection does not apply to tinting materials that:
1. Are affixed in such a manner so as to be easily
removed; and
2. Are being used to protect a child less than 10 years
of age from the sun.
(iv) Nothing in this subsection may be construed to:
1. Allow any tinting materials to be added to the
windshield of a vehicle below the AS1 line or below 5 inches from the top of the
windshield;
2. Prohibit a person from operating the vehicle while
the person for whom the written certification is required is not present in the vehicle,
provided that the written certification is in the vehicle; or
3. Alter or restrict the authority of the Administrator
to adopt regulations regarding vehicle windows, except with respect to the light
transmittance requirements specified in this section.

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