HERBERT R. O'CONOR, GOVERNOR. 1277

but shall be reimbursed for their reasonable traveling expenses
incurred for attendance at meetings, inspections and other
service.

The District Council may provide and specify in its zoning
regulations general rules to govern the organization and pro-
cedure of the Board of Zoning Appeals, which rules shall not
be inconsistent with the provisions of this Act; and the Board
may adopt, from time to time, supplemental rules of pro-
cedure not inconsistent with this Act or such general rules.
The Board or the chairman or other officer thereof may ad-
minister oaths and compel the attendance of witnesses.

The headquarters office and meeting place of the Board
shall be in the City of Annapolis, but it may meet, hold hear-
ings and make decisions at other places in the District. It
shall meet at least once a month and may hold additional
meetings at the call of the chairman or as the Board may
determine. The Board shall keep minutes of its proceed-
ings, showing the vote of each member upon each question,
or, if absent or failing to vote, indicating such fact, and shall
keep records of its examinations and other official actions, all
of which shall be immediately filed in the office of the Board
and shall be a public record.

SEC. 19. And be it further enacted, That the District Coun-
cil shall provide in its zoning regulations, to such degree and
upon such terms and conditions as may be set forth in its
zoning regulations, for the continuation of an existing lawful
non-conforming use, for the extension of a lawful non-con-
forming use throughout a part or whole of a building in which
such non-conforming use lawfully exists or for the substitu-
tion of a similar non-conforming use for an existing lawful
non-conforming use or for the restoration or reconstruction
of an existing lawful non-conforming use where through fire
or other calamity such use has been destroyed to the extent
of not more than 75% of the reconstruction value of the build-
ing in which such lawful non-conforming use was carried on
or for an extension of an existing lawful non-conforming use
on the same lot as such lot existed as a single lot under single
ownership at the time of the enactment of the regulation
which made the then existing use on such lot non-conforming.

SEC. 20. And be it further enacted, That the District Coun-
cil may, in its zoning regulations, empower the Board of
Zoning Appeals, in appropriate cases and situations and sub-
ject to appropriate principles, standards, rules, conditions and
safeguards set forth in the regulations, make special excep-
tions to the uniform provisions of the zoning regulations in
harmony with their general purposes and intent. The District