THEODORE R. MCKELDIN, GOVERNOR 1313

ment, and it shall be the duty of the Authority to deliver
a certificate thereof to the person paying the same, and
upon presentation thereof, the clerk having the record of
such lien shall mark the entry of such lien satisfied with-
out further fee.

410-O. All moneys received pursuant to the authority
of this sub-title, whether as proceeds from the sale of
bonds or as revenues, shall be deemed to be trust funds,
to be held and applied solely as provided in this sub-title.
The resolution or trust agreement providing for the is-
suance of revenue bonds of the Authority shall provide that
any officer to whom, or any bank, trust company or other
fiscal agent to which, such moneys shall be paid shall act
as trustee of such moneys and shall hold and apply the
same for the purposes hereof, subject to such regulations
as such resolution or trust agreement may provide.

410P. Any holder of revenue bonds issued by an Au-
thority under the provisions of this sub-title or any of the
coupons appertaining thereto and the trustee under any
trust agreement, except to the extent the rights herein
given may be restricted by the resolution or trust agree-
ment providing for the issuance of such bonds, may, either
at law or in equity, by suit, mandamus or other proceeding,
protect and enforce any and all rights under the laws
of Maryland or granted hereunder or under such resolu-
tion or trust agreement, and may enforce and compel the
performance of all duties required by this sub-title or by
such resolution or trust agreement to be performed by the
Authority or by an officer thereof, including the fixing,
charging and collecting of rates, fees and charges for the
use of or for the services furnished by any project.

410Q. Each Authority created hereunder is hereby au-
thorized to provide by resolution for the issuance of rev-
enue refunding bonds of the Authority for the purpose of
refunding any revenue bonds then outstanding and issued
under the provisions of this sub-title. Each such Authority
is further authorized to provide by resolution for the is-
suance of a single issue of revenue bonds of the Authority
for the combined purposes of (1) paying the cost of any
project, or the improvement, extension, addition or recon-
struction thereof, and (2) refunding revenue bonds of the
Authority which shall therefore THERETOFORE have
been issued under the provisions of this sub-title and shall
then be outstanding and which shall then have matured or
be subject to redemption or can be acquired for retirement.

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