The planning agency of Hempfield Township shall prepare the text and
map of the proposed Zoning Ordinance as well as make all necessary studies
and surveys preliminary thereto, whenever instructed to do so by the governing
body. In preparing a proposed Zoning Ordinance, the planning agency shall
hold at least one public hearing pursuant to public notice and may hold additional
public hearings upon such notice as it shall determine to be advisable. Upon
the completion of its work, the planning agency shall present to the governing
body the proposed Zoning Ordinance, together with recommendations and explanatory
materials. The procedure set forth in this section shall be a condition precedent
to the validity of a Zoning Ordinance adopted pursuant to this chapter. If
a county planning agency shall have been created for Westmoreland County,
then at least 30 days prior to the submission of the ordinance to the local
governing body, the Hempfield Township planning agency shall submit the proposed
ordinance to said county planning agency for recommendations.