172 ARTICLE 1A

a commissioner or its inspector or examiner, testified to or produced docu-
mentary evidence of; provided, however, that no person so testifying, shall
be exempt from prosecution or punishment for any perjury committed
by him in his testimony.

An. Code, 1924, sec 15D. 1935, ch. 316, sec. 15D.

19. In¹ order to facilitate the making of investigations by the State
Aviation Commission, in the interest of the public safety and the promo-
tion of aeronautics, the public interest requires and it is therefore pro-
vided that the reports of investigations or hearings, or any part thereof,
or any testimony given thereat, shall not be admitted in evidence or used
-for any purpose in any suit, action, or proceeding growing out of any
matter referred to in said investigation, hearings, or report thereof, except
in case of criminal or other proceedings instituted by or in behalf of the
Commission under the provisions of this sub-title, nor shall any Commis-
sioner or employee of the State Aviation Commission be required to testify
to any facts ascertained in, or information gained by reason of, his official
capacity, and, further, no Commissioner or employee of the State Avia-
tion Commission shall be required to testify as an expert witness in any
suit, action, or proceeding, involving any aircraft.
An. Code, 1924, sec. 15E. 1935, ch. 316, sec. 15E. 1939, ch. 689, sec. 15E.

20. It shall be the duty of the Commission, its members and employees,
members of the State Police Force, and every county and municipal officer
charged with the enforcement of State and municipal laws, to enforce, and
assist in the enforcement of this Article. The Commission is further
authorized in the name of "The State of Maryland" to enforce the pro-
visions of this Article by injunction in the Equity Courts of this State.
Other departments and political sub-divisions of this State are further
authorized to cooperate with the State Aviation Commission in the devel-
opment of aeronautics and aeronautic facilities within the State.

An. Code, 1924, sec. 15F. 1935, ch. 316, sec. 15F.

21. Any person, firm or corporation being a party in interest and
feeling aggrieved by any action of the Commission in granting or refusing
to grant any license, may commence any action in the Circuit Court for
any County, or in any Court of Baltimore City of appropriate jurisdiction
which may be adapted for the purpose against the Commission as defen-
dant on the ground that such refusal or granting of such a license is unrea-
sonable, but such action must be commenced within thirty days after the
granting or refusal of such license by the said Commission.

The answer of the Commission to the complaint shall be served and
filed within 15 days after service of the complaint, whereupon said
action shall be at issue and stand ready for trial upon 15 days' notice
to either party.

All such actions shall have precedence over any civil cause of a different
nature pending in said Court except such cases as are provided for in
Section 415 of Article 23 of the Annotated Code of Maryland (this Edi-
tion), and the said Courts shall always be deemed open for the trial thereof
and the same shall be tried and determined as other civil actions except
that the order or determination of the Commission shall be deemed to be
prima facie correct.