BALTIMORE CITY. 1097

1898, ch. 491.

515E. All certificates issued by said Board shall be signed by its
officers and bear its seal, and the secretary of said Board shall keep a
book in which all certificates so issued and the names of the persons to
whom the same shall have been issued shall be duly registered, and a
transcript from said book of registration, certified by the secretary, with
the seal of the Board, shall be evidence in any court in the State, and said
secretary shall furnish to any one a copy of his certificate on payment of
the sum of one dollar.

1898, ch. 491.

515F. Any person who shall violate any of the provisions of this Act
shall be guilty of a misdemeanor, and upon the conviction thereof in any
court having criminal jurisdiction, shall be fined not more than twenty-
five dollars or be confined in the Baltimore City Jail or Baltimore County
Jail, not more than one month, in the discretion of the court. All fines
received under this Act shall be paid into the common school fund of the
City of Baltimore, or of Baltimore County, if the offense shall have been
committed in said county. The provisions of this Act shall not interfere
with the right of the owners of horses to have them shod at their own
shops.

HOURS OF LABOR AND WAGES.

P. L. L. (1888), Art. 4, sec. 31 A. 1898, ch. 458. 1908, ch. So. 1910, ch. 94,' sec. 2.
516. That eight hours shall constitute a day's work for all laborers,
workmen or mechanics who may be employed by or on behalf of the
Mayor and City Council of Baltimore, except in cases of extraordinary
emergency, which may arise in time of war or in cases where it may be
necessary to work more than eight hours per calendar day for the pro-
tection of property or human life; provided, that in all such cases the
laborer, workman or mechanic so employed and working to exceed eight
hours per calendar day shall be paid on the basis of eight hours consti-
tuting a day's work; provided further, that the rate of per diejn wages
paid to laborers, workmen or mechanics employed directlv by the Mayor
and City Council of Baltimore shall not be less than two dollars per diem;
provided further, that not less than the current rate of per diem wages in
the locality where the work is performed shall be paid to laborers, work-
men or mechanics employed by contractors or sub-contractors in the execu-
tion of any contract or contracts, in any public work within the City of
Baltimore.
1910, ch. 94, sec. 3.

516A. That all contracts hereafter made by or on behalf of the
Mayor and City Council of Baltimore with any person or persons or cor-
poration, for the performance of any work with the City of Baltimore,
shall be deemed and considered as made upon the basis of eight hours