This chapter may be amended from time to time at an Annual or Special Town Meeting in accordance with the provisions of MGL c. 40A, § 5.

No proposed zoning ordinance or bylaw which has been unfavorably acted upon by a Town Meeting shall be considered by a Town Meeting within two years after the date of such unfavorable action, unless the adoption of such proposed ordinance or bylaw is recommended in a final report of the Planning Board.

Any nonresident property owner may request that notice of hearing by the Planning Board on any zoning bylaw amendment be sent by mail to him or her by the Town Clerk. Such request must be filed annually with the Town Clerk no later than January 1, accompanied by a fee of $15. A separate, conspicuous statement shall be included annually with all property tax bills sent to nonresident property owners, informing them of this provision.

This chapter or any amendment thereto shall take effect on the date on which such adoption or amendment is voted by the Town Meeting.

The invalidity of any section or provision of this chapter shall not invalidate any other section or provision thereof.