266                                        LAWS OF MARYLAND                                Ch. 186

portion of the costs of the design and construction of trunk sewers, sewage
pumping stations and sewage disposal facilities and major water supply lines and
reinforcing mains and other sanitary sewer and water supply facilities of the
Washington Suburban Sanitary District which the Commission shall determine to
have been or will be incurred on account of the construction or planned
construction of such storm water, surface drainage or flood control projects or
systems. Said bonds shall be dated, shall bear interest at such rate or rates not
exceeding eight per centum (8%) per annum, shall mature at such time or times not
exceeding forty years from their date or dates, as may be determined by the
Commission,]; and may be made redeemable before maturity, at the option of the
Commission, at such price or prices and under such terms and conditions as may be
fixed by the Commission prior to the issuance of the bonds. Such bonds may be
issued in coupon or in registered form, or both, as the Commission may determine,
and provision may be made for the registration of any coupon bonds as to principal
alone. The Commission shall fix the denomination or denominations of the bonds
and the form and manner of execution of the bonds and of any interest coupons to
be attached thereto.

(b)  The bonds authorized by the Commission to be issued hereunder at any one
time for payment of the cost of storm water, surface drainage or flood control
projects or systems, including the cost of any engineering or other surveys in
connection therewith, in that portion of the Washington Suburban Sanitary
District situated in Prince George's County, shall constitute a separate series from
any other bonds of the District, and the proceeds therefrom shall be used for the
aforesaid purposes in that portion of the District. For the payment of the principal
and interest on the bonds of such series, and for the payment of the interest on any
notes issued under the provisions of subsection (c), below, in anticipation of the
issuance of any bonds of such series, the County Council of Prince George's
County shall levy annually upon all of the property assessed for county tax
purposes within such portion of said Sanitary District in Prince George's County,
upon the certification of the Washington Suburban Sanitary Commission, an ad
valorem tax at a rate necessary to produce annually the sum required to pay such
principal and interest for the current year, which tax shall be levied and collected
as other Commission ad valorem taxes are levied and collected and paid to the
Commission. The bonds and any notes issued in anticipation thereof for the
purposes stated in this Section shall be guaranteed as to both principal and interest
by Prince George's County, and the County Council of Prince George's County is
hereby authorized and directed to guarantee said bonds and notes substantially in
the manner and form provided for guarantee of the construction bonds of said
Sanitary District. Such guarantee shall operate as a pledge of the full faith and
credit of Prince George's County to the payment of the maturing principal of and
interest on said bonds and notes and, to the extent that the taxes above provided
for in this Section and any other moneys available or to become available therefor
(either through the issuance of bonds or notes authorized hereunder or otherwise)
are inadequate to provide the funds necessary to pay such principal and interest in
any year, said County Council shall levy upon all property subject to taxation
within Prince George's County ad valorem taxes in rate and amount sufficient to
make up any such deficiency.

(c)  The Commission is authorized and empowered to issue its negotiable notes
from time to time in anticipation of the issuance of bonds authorized under this
Section. Such notes may be issued for periods not exceeding five years and may be
renewed from time to time for periods not exceeding one year, but such notes,
including renewals, shall mature and be paid not more than five years from the
date of the note or notes first issued. Such notes shall bear interest at a rate or
rates not exceeding eight per centum (8%) per annum, the interest to be payable at