All proposed amendments, supplements or changes originating by petition or by motion of the Village Board shall be referred to the Village Planning Board for a report and recommendation thereon. The Village Planning Board shall submit its report within 30 days after receiving such referral. Failure of the Planning Board to report within the required time may be deemed to be approval of the proposed amendment.

Before any amendment, supplement or change in the regulations or district boundaries, there shall be a public notice and hearing thereon, as provided by law. The notice of hearing shall be published in the official newspaper at least 10 days prior to the hearing. Such hearing may be held by the Village Board, by a committee of the Board or by the Planning Board on request of the Village Board.

After the public hearing and referral to and report by the Planning Board, a majority vote of the members of the Village Board shall be required to amend this chapter, except as described in § 157-42, Protested amendments.

If a protest against a proposed amendment, supplement or change is presented to the Village Board, duly signed and acknowledged by the owners of 20% or more of the area of the land included in such proposed change or by the owners of 20% or more of the land immediately adjacent extending 100 feet therefrom or by the owners of 20% or more of the land directly opposite thereto extending 100 feet from the street frontage of such opposite land, such amendment shall not be passed except by the favorable vote of 3/4 of the Village Board.