168 LAWS OF MARYLAND.

enable the State Veterinarian, or his representatives, to iden-
tify the same.

SEC. 8. And be it further enacted, That the sale or distribu-
tion of milk or milk products from any animals treated with
the vaccine or other biological products containing living or-
ganisms, within six months of the date of their last dose or
injection of such material, is hereby prohibited, except with
the written consent of and under such conditions as may be
determined by the Director of the State Laboratory for Bio-
logical Products.

SEC. 9. And be it further enacted, That the Director of the
State Laboratory for Biological Products may, with the con-
sent of the State Veterinarian, authorize such persons not
connected with the State Laboratory, as they deem qualified to
make experiments with these materials, and such shall not be
considered a violation of this Act.

SEC. 10. And be it further enacted, That any person, firm
or corporation violating any of the provisions, of this Act shall
be guilty of a misdemeanor, and upon conviction, shall be
punished by a fine of not less than $25, or more than $100, or
by imprisonment for not less than one week or more than six
months; or by both such fine and imprisonment, in the discre-
tion of the court.

SEC. 11. And be it further enacted, That this Act shall take
effect on July 1, 1910.

Approved April 11, 1910.

ARTICLE LVI.

LICENSES.

CHAPTER 207.

AN ACT to repeal Sections 131 to 140, both inclusive, of
Article 56 of the Code of 1904 of the Public General Laws of
Maryland, title "Licenses," subtitle "Motor Vehicles," as
amended by Chapter 449 of the Acts of 1906, and to re-enact
the same with amendments, and add additional sections
thereto, to be known as Sections 140a, 140b, 140c, 140d, 140e,
140f, 140g, 140h, 140i, 140k, 1401, 140m, 140n, 140o, 140p,
140q, 140r, 140s and 140t, the whole* to provide for the
appointment of a Commissioner of Motor Vehicles, the regu-
lation, operation and registration of motor vehicles, includ-
ing motorcycles, the licensing of operators of motor vehicles,
the tampering with motor vehicles and the unauthorized use
of the same; the taking of commissions or other considera-
tion on the sale or purchase of motor vehicles or supplies,
parts or labor on the same, the placing in the highways of