WM. PRESTON LANE, JR., GOVERNOR. 999

approaches of any airport located, in whole or in part, within
the corporate limits of any one or more of said political sub-
divisions, subject to such rules, restrictions, guides and stand-
ards as may be established by the governing bodies of such
political subdivisions. Such joint boards shall consist of two
representatives appointed by the chief executive officer of each
political subdivision participating in the creation of said
board, and a Chairman elected by a majority of the members
so appointed. All members and the Chairman of such joint
boards shall be appointed for a term of four (4) years. Vacan-
cies shall be filled for the unexpired term of any member
whose term becomes vacant. The members of such board
shall be removable for cause by the appointing authority
upon written charges and after a public hearing. The joint
board shall adopt rules for the conduct of its business. Meet-
ings of the joint board shall be held at the call of the Chair-
man and at such other times as a majority of the board may
determine. The Chairman, or in his absence, the Acting Chair-
man, may administer oaths and compel the attendance of
witnesses. All meetings of the joint board shall be open to
the public. The joint board shall keep minutes of its proceed-
ings, showing the vote of each member upon each question, or,
if absent or failing to vote, indicating such fact, and shall
keep records of its examinations and other official actions, all
of which shall be immediately filed in the office of the joint
board and shall be a public record.

(4) In addition to the authority granted in subparagraph
(1) of this Section 16(c), each political subdivision, which
owns an airport, is hereby authorized and empowered to adopt,
revise, administer and enforce airport zoning regulations to
protect the aerial approaches of any such airport which is
located wholly or partially outside the corporate limits of
said political subdivisions; provided, however, that in all such
cases under this sub-title, before any such airport zoning
regulations are adopted, revised, amended, supplemented or
changed, all such original, revised, amended, supplemented or
changed airport regulations shall be submitted to, and be
approved, by, the governing body of the political subdivision
or political subdivisions in which such airport is wholly or
partially located or by a joint board, if such joint board exists,
created under the provisions of subparagraph (3) of this
Section 16(c) by the political subdivisions involved. If the
governing body of the political subdivision in which the air-
port is wholly or partially located shall approve the same,
then such rules and regulations, and all amendments thereto,
shall thereupon become valid and effective and shall thereafter
have the force and effect of law. If the governing body of the