852 LAWS OF MARYLAND. [CH. 448

the uses of buildings and other structures and of premises in
such zones or districts.

SEC. 20. And be it further enacted, That whenever the
Commission certifies to the County Commissioners of Mont-
gomery or of Prince George's Counties any such plan for the
districting or zoning of the portion of the District within each
County according to the uses of buildings and other structures
and of premises, then said County Commissioners of the county
affected acting as the legislative body of the portion of the Dis-
trict located in that County and hereby designated for the pur-
poses of this and subsequent sections of this Act as District
Council, in the interest of the promotion of the health, morals,
safety or welfare of the District, may, within the limits of that
portion of the District within that 'County regulate and restrict
the location of buildings and other structures and of premises
to be used for trade, industry, residence or other specified uses,
and for said purposes divide such portion of the District into
zones of such number, shape and area as may be deemed best
suited to carry out the purposes of this section. For each of
such zones regulations may be imposed designating the kinds of
classes of trades, industries, residences or other purposes for
which buildings or other structures or premises may be permit-
ted to be erected, altered or used or subject to special regula-
tions. For the purposes of the powers granted in this and the
three subsequent sections of this Act, not less than three mem-
bers of either District Council shall constitute a quorum.

SEC, 21. And be it further enacted, That whenever the
Commission certifies to either District Council any such plan
for the districting or zoning of the portion of the District with-
in either County according to the height of buildings and other
structures, then such District Council, in the interest of the
health, morals, safety or welfare of that portion of the District,
may regulate and limit the height of buildings and other struc-
tures thereafter erected or altered and for said purpose divide
the said portion of the District into zones of such number, shape
and area as may be deemed best suited to carry out the purpose
of this section. Any such regulation imposing a lower height
limitation than may be provided by state statute or local regula-
tion shall, within the zone for which it is imposed, prevail over
the said limitation provided by state statute or local regulation.

SEC. 22. And be it further enacted. That whenever the
Commission certifies to either District Council any such plan