936 LAWS OF MARYLAND. [CH. 481

purposes except upon approval by the Board of County
Commissioners of Montgomery County and upon the recom-
mendation of the Supervisor of School Property. The Board
of Education may apply any unexpended balance from any
of the items herein enumerated to any other items herein
enumerated upon the ratification and approval of the Board
of County Commissioners of Montgomery County upon the
recommendation of the Supervisor of School Property.

SEC. 5. And be it further enacted, That the Board of
Education of Montgomery County shall not award any con-
tract for any building or construction item wherein the esti-
mated costs shall exceed the sum of five hundred dollars,
without first having advertised for bids, and all of said ex-
penditures shall be awarded to the lowest responsible bidder
after due advertisement of the proposals and the time and
place of the opening of said bids; provided, however, that
the said Board of Education shall have the right to reject
any or all bids.

SEC. 6. And be it further enacted. That the provisions of
this Act shall be construed as additional and supplementary
to and not in substitution for or in conflict with any of the

provisions of the general laws of this State relating to public
schools, and the powers of the State Superintendent of
Schools, in regard to the plans, construction and erection
of public school buildings.

SEC. 7. And be it further enacted, That for the purpose
of paying the interest on said bonds, and for redeeming the
said bonds as they mature, the said Board of County Com-
missioners of Montgomery County shall, for the year 1927,
and annually thereafter, until all of said bonds issued under
the authority of this Act shall mature and be redeemed, levy
a tax upon the assessable property of said county sufficient
to pay the annual interest on said bonds outstanding, and to
redeem said bonds as they mature and become due, said taxes
to be collected as other taxes levied in said county are col-
lected.

SEC. 7-A. And be it further enacted, That any part of
this bond issue may be spent by the Board of Education with
the consent and approval of the Board of County Commis-