EMERSON C. HARRINGTON, GOVERNOR. 173

of this sub-title, he shall thereafter be subject to and required
to comply with all the provisions of this sub-title relating to
the registration of motor vehicles and the licensing of operators
thereof; and the Governor of this State is hereby authorized
and empowered to confer and advise with the proper officers
and legislative bodies of other States of the Union, and enter
into reciprocal agreements under which the registration of
motor vehicles owned by the residents of this State will be
recognized by such other States, and he is further authorized
and empowered from time to time, to grant to residents of
other States the privilege of using the roads of this State as in
this section provided in return for similar privileges granted
residents of this State by such other States.

The aforegoing exemption of non-residents shall not apply
to operators of motor vehicles or motorcycles who are residents
of States which do not require the display of identification
markers on the same, nor shall it apply to non-residents of this
State who have temporary residences in this State for periods
in excess of three months in any year or to non-residents en-
gaged regularly in the transportation of passengers or freight
for hire wholly or partly in this State.

Any non-resident operating a motor vehicle in this State
contrary to the provisions of this section shall be deemed guilty
of displaying a fictitious marker, or operating without a license
and subject to the penalties prescribed elsewhere in this sub-
title for such offenses in the case of residents.

PART IV

OPERATION OF MOTOR VEHICLES.
DISPLAY OF MARKERS.

147. Every motor vehicle, except motorcycles, and as here-
inafter otherwise provided, shall at all times while being used
or operated in this State, have displayed, entirely unobscured
and kept reasonably clean, the number plates or markers issued
by the Commissioner of Motor Vehicles for such motor vehicles
as hereinbefore provided.