LICENSES. 719

July 1st, or before October 1st, and one-quarter after October 1st, until the
end of the year. Upon surrender of the registration certificate and num-
ber plates or markers provided for in classes A, 1A, 2A, 3A, 4A, B and
G, and upon application made therefor, the original owner shall be entitled
to a refund of the amount paid for such certificate and markers for the
unused portion of the year calculated on a quarterly basis with no allow-
ance for fractional portions of a quarter.

The Commissioner of Motor Vehicles shall have authority, in disputed
cases, to determine the classification in which any motor vehicle belongs,
under any of the provisions of this sub-title.

A duplicate registration certificate shall be furnished by the Commis-
sioner of Motor Vehicles for fifty (50c) cents in cases where he is satis-
fied the original has been lost.

In the event any plate or marker issued by such Commissioner of
Motor Vehicles under the provisions of this or any other section shall be
lost or destroyed, the Commissioner shall cause an investigation to be
made into the circumstances of the alleged loss, and if he is satisfied
that said tag or tags have in fact been destroyed as alleged by the appli-
cant, he shall issue a duplicate or duplicates thereof, or a new set of
tags, in his discretion, with appropriate registration certificate, at a cost
not to exceed four ($4. 00) dollars in the case of a motor vehicle, or two
($2. 00) dollars in the case of a motor cycle or bicycle with motor attach-
ment.

Where owner of trucks leased them for hauling goods of lessees, the lessor to
provide storage, gasoline, oil, repairs, washing, etc., held that this involved the
operation of trucks in the transportation of freight and of merchandise for hire,
within the meaning of this section. Banghman v. Operating Service, 167 Md. 50.

The classification of motor vehicles made in this section held not to be arbi-
trary or unreasonable. Bevard v. Baughman, 167 Md. 55.

This section referred to in construing sec. 180. Landwehr v. Life Ins. Co.,
159 Md. 212.

The change in charge per horsepower authorized by sec. 222 applies to all
gasoline propelled vehicles with pneumatic tires and includes hiring cars. See
notes to sec. 222. Banghman v. Herwig, 145 Md. 587 (decided prior to act 1927,
ch. 520).

This section referred to—see notes to sec. 251. Restivo v Pub. Serv Commn.,
149 Md. 34.

1935, ch. 364.

182A. Upon receipt of an application in proper form for the registra-
tion of semi-trailers operated under the shuttle or relay system, it shall
be the duty of the Commissioner of Motor Vehicles, after due investigation,
to issue additional metal plates or markers not exceeding two for each truck
tractor registered by the owner without extra cost.

An. Code, 1924, sec. 183. 1924, ch. 412. 1927, ch. 707. 1929, ch. 407.
183. The Commissioner of Motor Vehicles is hereby authorized and
directed to refuse to issue or transfer any plate or marker, certificate of
registration or title for any motor vehicle unless all taxes due and in ar-
rears on the motor vehicle described in the certificate of registration or