446 LAWS OF MARYLAND.

application and in such manner and at such place as they may
determine, provided said place of examination shall be within
the limits of the City of Baltimore, they shall examine each,
and every person who shall desire to work at the plumbing
business, touching his competency and qualifications; and
upon being satisfied that the person so examined is competent
and qualified to work at said business, they, or any three of
them, shall grant such person a certificate of competency, and
register him in their books as a practical plumber, which shall
operate as full authority to him to conduct and engage in the
said business of plumbing.

512. The said Board of Commissioners shall demand and
receive from each applicant for a certificate of competency
whom they examine and pass the sum of three dollars at the
time of the issuance of said certificate, and the sum of one dol-
lar for the renewal thereof each and every year thereafter, on
or before the first day of May.

513. The money received under the provisions of the fore-
going section shall be used and applied by said Commissioners
to defray their expenses, and all surplus pver and above their
necessary expenses shall be returned to the State Treasurer for
the use of the State.

514. Said Commissioners shall hold their several offices
for the period of two years, commencing from the first day of
May in the year eighteen hundred and eighty-six, and there-
after until their successors have been appointed and qualified;
each Commissioner, within thirty days after notification of his
appointment, shall take and subscribe an oath or affirmation
before the Clerk of the Superior Court of Baltimore City, to
impartially and faithfully discharge his duties as said Com-
missioner; every person appointed Commissioner, who shall
refuse or neglect to take the oath or affirmation provided for in
this section, within the period named, shall be deemed to have
refused said office, and the Governor shall immediately appoint
some person qualified as provided in section 511 of this Ar-
ticle, to fill the vacancy thus created; each of said Commis-
sioners shall receive the sum of five dollars for every day that