A Borough Planning Commission, composed of five members, appointed
in the manner provided by law, is hereby created and established in
and for the Borough of Etna. The said Borough Planning Commission
shall perform all the duties and may exercise any and all the powers
vested by law in planning agencies in boroughs. Provided that the
persons constituting the Borough Planning Commission now functioning
in the Borough shall constitute the Planning Commission hereby created,
and nothing in this chapter shall affect the tenure of the said present
Borough Planning Commission, but all vacancies hereafter occurring
in the said Planning Commission, regardless of the cause thereof,
shall be filled in accordance with the provisions of the law governing
planning agencies in boroughs at the time of the occurrence of the
said vacancy.