The regulations, restrictions, districts and boundaries established by this chapter may, from time to time, be amended, supplemented, changed, modified or repealed after official notice has been given and a public hearing has been held as provided under law.

A petition requesting a change in regulations, provisions or district boundaries, as set forth in this chapter, shall be typewritten and signed and acknowledged by the person presenting it. It shall be filed with the Clerk.

The Planning Board or Board of Appeals may require a plan of the proposed development and use of any area for which change of zoning district or variance is sought in order to assist them in their understanding of any proposed change.

Every such proposed amendment or change shall be referred to the Planning Board for report thereon before the public hearing. Notice of the time and place of such public hearing shall be published and posted as required by law.