174 LAWS OF MARYLAND.

or dealer during the current year in which issued, but shall,
limit the use of such number to four cars at any time; and any
manufacturer or dealer wishing to use at one time more than
four sets of, such general distinguishing number or mark may
acquire the right to do so by paying an additional sum of
six dollars for each such additional set he may so wish to use,
or, if he so elect, may pay a flat sum of one hundred dollars,
in which event he may use as many sets as he may desire. And
any manufacturer or dealer who shall at any time have
attached to or displayed upon his cars, whether in his place of
business or on the road, or both, more sets of such distinguish-
ing number or mark than he is entitled to use as aforesaid,
shall be deemed guilty of displaying fictitious numbers on all
of said cars and shall be subject to a penalty of not exceeding
fifty dollars in the case of each of said cars, and in case of a
repetition of such offense his right to use such distinguishing
number or mark may be revoked by the Commissioner of Motor
Vehicles, in his discretion.

Class E. Ten dollars per annum for each certificate assign-
ing a general distinguishing number or mark to a manufac-
turer or dealer in motorcycles.

The charges herein prescribed shall be for the entire twelve
months of the year, and if the certificate is issued in any month
after January, one-twelfth is to be deducted from each of the
charges above stated for each expired month, but not fractions
of a month.

LICENSES TO OPERATORS.

137. No person shall operate a motor vehicle upon any
highway of this State until he shall have first obtained an
operator's license for the purpose, but nothing herein contained
shall be taken to prevent the operation of a motor vehicle by
an unlicensed person other than a person whose application
has been refused or whose license had been suspended or
revoked, if accompanied by a licensed operator, which licensed
operator shall also be personally liable for any violation of any
of the provisions of Sections 140b, 140c, 140d, 140e and 1401 of
this subtitle or non-resident operators, as hereinafter provided.
Licenses for operating motor vehicles shall be issued by the
Commissioner of Motor Vehicles, but no license shall be issued
to any person under the age of sixteen years, excepting for
operators of motorcycles, who shall not be under the age of
fourteen years; provided, that persons over fourteen years of
age and under sixteen years of age may, upon special examina-
tion as to capacity to operate, receive a special license to
operate any motor vehicle belonging to such person, his or her