CORPORATIONS 959

earnings and expenses within a specified time. The commission may require
of all common carriers specific answer to questions upon which the com-
mission may need information. The annual report required to be filed by
a common carrier shall be so filed on or before the thirty-first day of March
in each year. The commission may extend the time for making and filing
such report for a period not exceeding sixty days. If such common carrier
shall fail to make and file the annual report within the time above specified,
or within the time as extended by the commission, or shall fail to make
specific answer to any question, or shall fail to make the periodic reports
when required by the commission as herein provided, within thirty days
from the time when it is required to make and file any such report or an-
swer, such common carrier shall forfeit to the State the sum of one hundred
dollars for each and every day it shall continue to be in default with respect
to such report or answer. Such forfeiture shall be recovered in an action
brought by the commission in the name of the State of Maryland. The
amount recovered in any such action shall be paid to the State Treasurer.
The provisions of this section shall be applicable to all corporations and
individuals subject to the jurisdiction of the Public Service Commission of
Maryland which are by law required to file the annual and other reports
referred to therein.

An. Code, 1924, sec. 372. 1912, sec. 434. 1910, ch. 180, sec. 22 (p. 364).

380. The commission shall investigate the cause of all accidents on any
railroad or street railroad which result in loss of life or injury to persons
or property, and which in its judgment shall require investigation. Every
common carrier is hereby required to give notice to the commission of every
accident happening upon any line of railroad or street railroad, owned,
operated, controlled or leased by it, within thirty days after the happening
of every such accident, or in such manner as the commission may direct.
Such notice shall not be admitted as evidence or used for any purpose
against such common carrier giving such notice in any suit or action for
damages growing out of any matter mentioned in said notice.

The commission may, of its own motion, investigate or make inquiry in
a manner to be determined by it, as to any act or thing done or omitted to
be done by any common carrier, railroad, street railroad, railroad corpora-
tion or street railroad corporation, or other corporation, subject to its super-
vision, and the commission must make such inquiry in regard to any act or
thing done or omitted to be done by any such common carrier or corporation
in violation of any provision of law, or in violation of any order of the
commission.

Complaints may be made to the commission by any person or corpora-
tion aggrieved, by petition or complaint in writing setting forth anything
or act done or omitted to be done by any common carrier or corporation
subject to its supervision, in violation, or claimed to be in violation, of any
provision of law or of the terms and conditions of its franchise or charter,
or of any order of the commission, or as being unfair, unreasonable, un-
justly discriminating or unduly preferential. Upon the presentation of
such a complaint the commission shall cause a copy thereof to be forwarded
to the person or corporation complained of, accompanied by an order,
directed to such person or corporation, requiring that the matter complained
of to be satisfied, or that the charges be answered in writing within a time
to be specified by the commission. If the person or corporation complained