294                              Laws of Maryland                       [Ch. 229

for sale and issue such bonds, from time to time, as its necessity
requires. Said bonds shall be executed and issued under the same
provisions, limitations and restrictions, applicable to the bonds here-
tofore issued by said Commission under the provisions of said Chap-
ter 122, as amended, except that the said bonds shall not be subject
to the limitation in said Chapter 122, as amended, on the amount
of bonds that may be issued and shall not be included in computing
the amount of bonds that may be issued under said Chapter 122, as
amended, and said bonds shall be forever exempt from taxation by
the State of Maryland and by the counties and municipalities in said
State. The said bonds shall be guaranteed, as to the payment of
principal and interest, by the County Council and by the County
Commissioners, of both Montgomery and Prince George's Counties,
which guarantee shall be in the form and under the provisions of
Section 5 of said Chapter 122, or any amendment thereof or any
section enacted in lieu thereof. The Commission may, however, at
its option, waive the guarantee of the counties herein prescribed.

Sec. 2. And be it further enacted, That the proceeds of said bonds
shall be used for the purpose of enlarging, increasing and augment-
ing the water supply of the area served by said Commission, includ-
ing the construction or enlargement of any impounding reservoir,
filter plant, filtered water storage structure, or pumping station,
and all the necessary pipe lines and accessories appurtenant there-
to, and the construction of major supply lines and reinforcing mains.

Sec. 3. And be it further enacted, That for the purpose of retir-
ing bonds authorized to be issued by this Act, and payment of the
interest thereon, there shall be levied against all of the assessable
property within the Sanitary District, by the County Council and by
the County Commissioners of Montgomery and Prince George's
Counties, annually, so long as said bonds are outstanding and not
paid, a tax sufficient to meet the interest on said bonds, and to pay
the principal thereof as the said principal and interest mature or
become due; said tax shall be determined, levied, collected, and paid
over to said Commission in the manner provided by Section 6 of
said Chapter 122, or any amendment thereof, and all of the pro-
visions of said Section 6 shall apply to the bonds issued hereunder.

Sec. 4. And be it further enacted. That said Commission shall
annually determine the amount necessary to meet the principal and
interest requirements of said bonds, and shall annually fix the water
service charge of said District at such a sum as to produce, in ad-
dition to the costs of said service, and the requirements of any other
bonds issued and outstanding, the annual requirements of which are
to be paid out of said water service, the amount determined as neces-
sary to pay the annual requirements of the bonds hereby authorized.
The sum so collected annually from water service charges shall be
deducted from the amount which the Commission has determined to
be necessary to be raised by direct taxation upon certification to the
County Council and to the County Commissioners of said counties.

Sec. 5. And be it further enacted, That any guarantee of any
water supply bonds heretofore made by the County Council of Mont-
gomery County and the County Commissioners of Prince George's
County be and the same is hereby ratified and confirmed.