LICENSES. 329

tion 204 of this Article; provided, however, that any person who may feel
himself aggrieved by any general regulation promulgated by the said Board
of Motor Vehicle Headlight Inspection under the powers contained in this
provision, may apply to any court of competent jurisdiction to have the
enforcement of the same enjoined on the ground that such regulation is
unreasonable, unlawful or in excess of the powers herein conferred upon
said Board of Motor Vehicle Headlight Inspection.

Any person who shall turn all or any of his motor vehicle lights off for
the purpose of avoiding arrest shall be deemed guilty of a misdemeanor,
and upon conviction, subject to a penalty of one hundred dollars ($100. 00)
or imprisonment for a period not to exceed ninety days, or both fine and
imprisonment.

(4) Mufflers. No driver or operator of any motor car, taxicab, automo-
bile, motor truck or motorcycle shall use any cutout, fitting or other ap-
paratus or device which will allow the gases from the engine of the motor
vehicle to escape into the atmosphere without first passing through a
silencer, expansion chamber or other contrivance suitable and sufficient for
reducing as far as may be reasonably practicable the noise which would
otherwise be caused by the escape of the said gases; provided that this
regulation shall apply only to a motor vehicle propelled by an internal
combustion engine, and only within the limits of cities, towns and villages
in the State of Maryland.

(4A) Emblems. It shall be unlawful for any person to display upon a
motor vehicle the insignia or emblem of any motor vehicle club or similar
organization, unless he shall be entitled to use the same under the consti-
tution, by-laws, rules or regulations of such club or organization.

(4B) Smoke Screen. No motor vehicle of any kind shall at any time,
whether in use or not in use, carry or be equipped with any device, de-
signed, constructed or intended to be used for the purpose of emitting or lay-
ing down a smoke screen or emitting or discharging any screen of vapors,
gases, fumes or substances of any kind, and it shall be unlawful for any
such device, or part of such device, whether in operating condition or not,
to be attached to any motor vehicle.

(5) Penalties. Any person violating any of the provisions of this sec-
tion shall be deemed guilty of a misdemeanor, and except in other cases in
this section otherwise provided for, upon conviction, subject to a fine of not
less than five dollars ($5. 00) nor more than fifty dollars ($50. 00), for the

first offense; provided, however, that in the event approved lenses or bulbs
are used, and, due to improper adjustment, they do not comply with all
the provisions of this section, no penalty shall be imposed for the first

offense.

All the provisions of this Section 193, including the several sub-sections
thereof, shall apply both to the operator of a motor vehicle and to the owner
or person in control thereof who causes or permits such motor vehicle to be
equipped or operated contrary to any of such provisions.

Negative evidence that born not blown. See notes to sec 209 Sudbrook v.
State. 153 Md. 200.