BALTIMORE CITY. 1089

P. L. L. (1860). Art. 4, sec. 799. P. L. L. (1888), Art. 4, sec. 380.

487. The said owner may in such action defend himself against any
such claim for expenses of paving and the collection thereof by proof that
no such nuisances existed, or that the paving of the said street, lane or
alley was not necessary to the removal or abatement thereof, or that such
nuisance was caused by an act or ordinance of said city, or its officers in
the execution of their duty.

P. L. L. (1860), Art 4, sec. 800. P. L. L. (1888), Art. 4, sec. 381.

488. The expenses of such paving, and the expenses incident to the
collection thereof, shall be a lien upon the property chargeable therewith;
and when the right of the city to recover the same has been determined,
the city may levy such expenses upon said property.

P. L. L. (1860), Art. 4, sec. 801. P. L. L. (1888), Art. 4, sec. 382.

489. If any of the said property shall be owned by persons not resident
within the limits of said city, then, after public notice given at least three
times a week for three successive weeks in two newspapers of the city,
by advertisement, describing the property chargeable, the amount of ex-
pense with which it is chargeable and if known, the name of the owner
thereof, the City may proceed to levy said expenses upon the interest of
such non-resident in said property, without any previous suit to deter-
mine their right to the same.

P. L. L. (1860), Art. 4, sec. 802. P. L. L. (1888), Art. 4, sec. 383.

490. Such non-resident may, at any time within three months after
said expenses have been levied and collected, institute an action against
the city for the recovery of the same; and if it shall appear in such action
that public notice was not given as hereinbefore directed, or that no such
nuisance existed, or that the paving of said street, lane or alley was not
necessary to the removal or abatement thereof, or that the same was
caused by an act or ordinance of the city, or by its officers in the execution
of their duty, such non-resident shall recover the expenses of paving and
collection so levied upon his property.

P. L. L. (1860), Art. 4, sec. 803. P. L. L. (1888), Art. 4, sec. 384.

491. Whenever any nuisance dangerous to the health of the city shall
be found upon any vacant lot within the city, the city may remove or
abate the same, and shall have the same remedy against the owner of
such lot, for the expenses of so doing, as is given in the five preceding
sections against the owners of lots fronting on streets paved, to remove a
nuisance; and the owner of such vacant lot shall have the same rights and
remedies therein given to the owners of lots fronting on streets so paved.

P. L. L. (1860), Art. 4, sec. 854. P. L. L. (1888), Art. 4, sec. 385.

492. Whenever the Commissioner of Health shall certify in writing
to the Mayor, that it is necessary for the Health of the City to alter the
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