Every amendment to this chapter, including any map incorporated therein, adopted in accordance with the Village Law shall be entered in the minutes of the Village Board, and a copy thereof, exclusive of any map incorporated therein, shall be published once in the official newspaper of the Village, and a copy of such amendment, together with a copy of any map incorporated therein, shall be posted on a signboard maintained by the Village Clerk pursuant to the Village Law. Affidavits of the publication and posting thereof shall be filed with the Village Clerk.