New York Consolidated Laws, Town Law - TWN § 265. Changes

1. Such regulations, restrictions and boundaries may from time to time be amended.  Such amendment shall be effected by a simple majority vote of the town board, except that any such amendment shall require the approval of at least three-fourths of the members of the town board in the event such amendment is the subject of a written protest, presented to the town board and signed by:

2. Amendments made to any zoning ordinance (excluding any map incorporated therein) adopted pursuant to the provisions of this chapter shall be entered in the minutes of the town board;  such minutes shall describe and refer to any map adopted in connection with such change, amendment or supplement and a copy, summary or abstract thereof (exclusive of any map incorporated therein) shall be published once in a newspaper published in the town, if any, or in such newspaper published in the county in which such town may be located having a circulation in such town, as the town board may designate, and affidavits of the publication thereof shall be filed with the town clerk.  Such ordinance shall take effect upon filing in the office of the town clerk.  Every town clerk shall maintain every map adopted in connection with a zoning ordinance or amendment.