Parks, playgrounds and libraries to be free

N.Y. General Municipal Law § 144, under Trusts For Parks and Libraries In Villages and Towns.

N.Y. General Municipal Law § 144

§ 144. Parks, playgrounds and libraries to be free. All parks, playgrounds and libraries existing under this article shall be free and open to the public for use and enjoyment, subject only to such reasonable rules and regulations as the trustees from time to time shall adopt and promulgate.