176 LAWS OF MARYLAND.

notice to be sent by registered letter to the address given by
the operator when applying for license certificate, which shall
constitute sufficient form of notice, suspend or revoke the
operator's license issued to any person under Section 137 of
this subtitle, for any cause which he may deem sufficient;
but every applicant for an operator's license whose application
shall be refused by said Commissioner, and every licensee
whose operator's license shall be suspended or revoked
by said Commissioner, may appeal to the Governor of
this State from such decision, refusal, suspension or revoca-
tion, the decision of the Governor to be final, and such appeal
not to operate as a stay of such order or decision by the Com-
missioner. A full record shall be kept by every Court or
Justice of the Peace of this State of every case in which a per-
son is convicted of a violation of any of the provisions of Sec-
tions 140a, 140b, 140c, 140d, 140e and 1401 of this subtitle, and
a certified abstract of such record shall within ten days after the
date of such conviction, be transmitted by such Court or Jus-
tice of the Peace to the Commissioner of Motor Vehicles. Said
Courts and Justices of the Peace shall furnish to said Com-
missioner the details of all flagrant cases which may be heard
before them, and they may make such recommendations to said
Commissioner as to the suspension or revocation of the opera-
tor's licenses of the parties defendant in such cases as they
may deem proper. Said Commissioner shall keep such records
in his office, and they shall be open to public inspection. When-
ever any person licensed to operate a motor vehicle upon the
public highways of this State shall have been convicted of any
violation of any of the provisions of Sections 140a, 140b, 140c,
140d, 140e and 1401 of this subtitle, the Commissioner may, in
his discretion, suspend or revoke the operator's license of such
person, and upon a third conviction within the period of twelve
calendar months, said person shall, in addition to the penal-
ties for such offense, incur a forfeiture of his operator's license,
and the said Commissioner shall thereupon revoke and -require
a return of the same. No person shall, for the period of three
months from the date of the revocation of his operator's license,
be capable of receiving a new operator's license, nor there-
after, except in the discretion of the Commissioner.

DISPLAY OF MARKERS.

140. 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
vehicle as hereinafter provided. One of such plates or markers
shall be displayed conspicuously on the front, and the other on