462 LAWS OF MARYLAND [CH. 182

making like application and paying like fee, within three
months preceding the expiration of said renewal.

105J. Said Board shall have full power to revoke for
proper cause any license or renewal of same after a full
hearing of all parties in interest.

105K. Each license and renewal of same shall be in
force and effect only so long as an approved bond filed with
the said Board in accordance with the provisions of this
sub-title shall remain in full force and effect, and every
such license or renewal of same shall become utterly void
and of no effect, should any such bond for any reason
whatsoever become inoperative or ineffective, regardless
of the regular date of expiration of said certificate or
renewal.

105L. Any and all persons granted a license or re-
newal of same shall display the same in a conspicuous place
in the office or place of business of such licensee.

105M. Nothing in this sub-title shall be construed to
prevent any person from doing or performing any of the
kinds of work enumerated in this sub-title, provided that
such work is performed under the direction and super-
vision of a duly licensed Master Electrician; but no such
work, other than minor electric repairs for the mainte-
nance of established plants, shall be performed excepting
under such direction and supervision of a duly licensed
Master Electrician, and the said licensed electrician shall
be responsible for any and all work so done under his
direction and supervision.

105N. Any person who shall practice or engage or
continue in the work of a Master Electrician without hav-
ing complied with all the provisions of this sub-title, and
any person not licensed as Master Electrician, who shall
do or perform any such work except under the direction
of a Master Electrician, and any person having been
licensed as a Master Electrician and who shall fail to
renew his license as herein provided, and shall do or per-
form any such work, or who shall violate any of the pro-
visions of this sub-title, shall be guilty of a misdemeanor,
and upon conviction thereof shall be sentenced to pay a
fine of not less than twenty-five dollars ($25. 00) nor more
than five hundred dollars ($500. 00) or to an imprisonment
not exceeding ninety (90) days, or both, in the discretion
of the court, and any such conviction shall ipso facto revoke
and annul any license that may have been issued to such
person.