Whenever the public necessity, convenience, general welfare
or good zoning practice require, the Swoyersville Borough Council,
by ordinance, may after receipt of recommendation thereon from the
Swoyersville Borough Planning Commission and the Luzerne County Planning
Commission, and subject to the procedures provided by law, amend,
supplement or change the regulations, district boundaries or classifications
of property, now or hereafter established by this chapter or amendments
thereof.