1770 LAWS OF MARYLAND. [CH. 992

piping, conduit laying in any building, and to regulate the
location, manner of installation, size and area per lot of all
advertising structures and to restrict the projection of same
over public property, and generally to adopt and enforce for
the whole of said District or for thickly populated portions
thereof, all necessary regulations or rules for the aforegoing
purposes, and to prescribe fines and penalties for violations
thereof; provided, however, that no such rules and regulations
so adopted by said Commission as aforesaid shall be deemed
valid or effective until the same shall have been formally
adopted by the said Commission at a regular meeting, and
recorded in a book kept in its office for the purpose and until
said rules and regulations shall have been published at least
three times in two of the County papers in the District; and
it shall be the duty of the Commission to cause said rules and
regulations adopted by it as aforesaid to be so recorded in a
book or books kept by it for that purpose in its office and to
be published at least three times in two papers published in
the District as aforesaid, and when so recorded and published
all persons shall be deemed and taken to have notice thereof,
and no actual notice need be proven. And it shall further be
the duty of the said Commission to cause to be printed for
general distribution a sufficient number of copies of said rules
and regulations when so adopted, recorded and published as
aforesaid, and said printed copy of such regulations shall be
deemed prima facie evidence, of such rules and regulations
whenever it may be necessary to prove the existence of the same
in any judicial proceedings. The rules and regulations now
in force in Montgomery and Prince George's Counties shall be
deemed to have been adopted as aforesaid. And the power is
given said Commission to change or amend from time to time,
as may be necessary, any such rules and regulations in whole
or in part, in which event, the same shall be valid and effective
when recorded and published as aforesaid, provided, that
before changing or amending the same, said Commission shall
submit the proposed change or amendment to the County
Building Inspectors of both Counties for their recommendation
thereon. And the said Commission, in addition to the remedies
provided for by this Act shall have the right to enforce said
regulations and provisions hereof, and to prevent infractions
thereof by an application to the Circuit Court for the County
in which said enforcement shall be needed or said infractions
occur, in equity, for an injunction, and a breach or threatened
breach or violation hereof, or of said regulations shall be
deemed sufficient cause in itself for the issuance of such injunc-
tion when applied for, and no further cause need be alleged
or sworn; and provided further that the Commission is hereby
authorized to exempt from the provisions of hereof, such town