1484                            LAWS OF MARYLAND                       CH. 730

by the County to the County Commissioners of Harford County to
be used exclusively and solely for such public buildings. In the
event the amounts so borrowed shall prove inadequate for the
financing of any such public buildings at any time, the County may
issue additional bonds within the limitations hereof for the purpose
of evidencing the borrowing of additional funds for any such public
buildings, provided the resolution for authorizing the additional
bonds shall so recite, but if the funds derived from the sale of
any issue of said bonds shall exceed the amount needed to finance
the public buildings described in said resolution, the excess funds
so borrowed and not expended by the County Commissioners shall
be returned to the County by them and applied by said County in
payment of the next principal maturity of the bonds so issued or
to the redemption of any part of said bonds, if the same shall have
been made redeemable, unless said County shall adopt a resolution
allocating said excess funds to some other part of the public building.

Sec. 5. And be it further enacted, That the bonds hereby author-
ized shall constitute, and they shall so recite, an irrevocable pledge
of the full faith and credit and unlimited taxing power of the County
to the payment of the maturing principal and interest of such bonds
as and when the same respectively mature. In each and every fiscal
year that any of said bonds are outstanding, the County shall levy
or cause to be levied ad valorem taxes upon all the assessable prop-
erty within the corporate limits of the county in rate and amount
sufficient to provide for the payment, when due, of the interest and
principal of all said bonds maturing in each such fiscal year and in
the event the proceeds from the taxes so levied in any such fiscal year
shall prove inadequate for the above purposes, additional taxes shall
be levied in the succeeding fiscal year to make up any such de-
ficiency. The County may apply to the payment of principal and
interest of any bonds issued hereunder any funds received by it
from the State of Maryland, the United States of America, any
agency or instrumentality thereof, or from any other source, if such
funds are granted for the purpose of assisting the County in public
building construction, and to the extent of any such funds received
or receivable in any fiscal year the taxes hereby required to be
levied may be reduced proportionately.

Sec. 6. And be it further enacted, That the County is hereby
further authorized and empowered, at any time and from time to
time, to issue its bonds in the manner hereinabove described for the
purpose of refunding, upon purchase or redemption, any bonds is-
sued hereunder. The validity of any such refunding bonds shall in
no way be dependent upon or related to the validity or invalidity
of the obligations so refunded. The powers herein granted with
respect to the issuance of bonds, and also the limitations herein on
such powers shall be applicable to the issuance of refunding bonds.
Said refunding bonds may be issued by the County for the purpose
of providing it with funds to purchase in the open market any of
its outstanding bonds issued hereunder, prior to the maturity thereof,
or for the purpose of providing it with funds for the redemption
prior to maturity of any outstanding bonds issued hereunder which
are, by their terms, redeemable. The resolution authorizing the
issue of any such refunding bonds shall describe the issue or issues of
bonds of the County so as to be refunded, and no issue of such refund-
ing bonds shall exceed in amount the par amount of such bonds so