1508 LAWS OF MARYLAND [CH. 679

stand the cost of the same; and the decision of the County
Commissioners shall be final.

430E. For the purpose of providing funds for the design,
construction, establishment, purchase or condemnation of
water supply, sewerage and drainage systems in any of the
sanitary districts, said Commission, after the approval of
said County Commissioners, is authorized and empowered
to issue bonds, from time to time upon the full faith and
credit of Harford County, in such amounts as it may deem
to be necessary to carry on its work, but at no time shall
the total issue of bonds in any sanitary district for all
purposes under this sub-title exceed fifteen per centum of
the total value of the property assessed for county taxation
purposes within said sanitary district. Said bonds shall
be serial bonds issued upon serial maturing plan and in
such denominations as shall be determined by the Com-
mission, said bonds may be redeemable before maturity at
the option of the Commission at such price and under such
terms and conditions as may be fixed by the Commission
prior to the issuance of said bonds, shall bear interest at a
rate not exceeding four per centum per annum, payable
semi-annually, and shall mature in not more than thirty
years after date of issue and shall be forever exempt from
State, city and county taxation. They shall be issued under
the signature and seal of the Commission and shall be
guaranteed as to payment of principal and interest by the
County Commissioners of Harford County, which guaran-
tee shall be endorsed on each of said bonds in the following
language: "The payment of interest when due and the
principal at maturity is guaranteed by Harford County,
Maryland". Such endorsement shall be signed on each of
said bonds by the President or Vice-President of said Board
of County Commissioners of said county within ten days
after the bonds are presented by the Commission to them
for endorsement. At any time prior to the issuance of any
such bonds the County Commissioners are hereby author-
ized and directed to furnish to the Commission a sum not
exceeding Five Thousand Dollars ($5, 000. 00), which shall
be repaid out of the first available moneys derived from the
sale of the first bonds issued, if any.

430F. For the purpose of retiring the bonds authorized
to be issued by this sub-title and of paying the interest
thereon, the Commission shall cause to be levied, against
all assessable property within said sanitary districts for
which said bonds have been issued, by the said Commis-
sioners annually so long as any of said bonds are outstand-
ing and not paid, a tax sufficient to provide such sum as