732                               LAWS OF MARYLAND                     [CH. 433

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
augmenting the water supply of the area served by said Commis-
sion, including 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
thereto, and the construction of major supply lines and reinforcing
mains.

Sec. 3. And be it further enacted, That for the purpose of re-
tiring bonds authorized to be issued by this Act, and payment of
the interest thereon, there shall be levied against all of the assess-
able property within the Sanitary District, and against all of the
assessable property within the rural water areas which is subject
to assessment pursuant to the laws creating and extending such
rural water areas, by the County Council and by the County Com-
missioners 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 Commis-
sion in the manner provided by Section 6 of said Chapter 122, or
any amendment thereof, and all of the provisions 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
addition 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 deter-
mined as necessary to pay the annual requirements of the bonds
hereby authorized. The sum so collected annually from water serv-
ice charges shall be deducted from the amount which the Commis-
sion has determined to be necessary to be raised by direct taxation
upon certification to the County Council and to the County Com-
missioners 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
Montgomery County and the County Commissioners of Prince
George's County be and the same is hereby ratified and confirmed.

Sec. 6. And be it further enacted. That if any word, phrase, clause,
sentence or any part or parts of this Act shall be held unconstitu-
tional by any court of competent jurisdiction such unconstitutional-
ly shall not affect the validity of the remaining parts of this Act
or of any other section thereof.