This article shall be construed as the grant of additional power and authority to cities and incorporated villages, and not as intended to limit or impair any existing power or authority of any city or village.
Any city or incorporated village in order to appoint a planning commission under this article shall recite, in the ordinance or resolution so creating the commission, the fact that it is created under this article.
N.Y. Gen. Mun. Law § 239-A