N.Y. Municipal Home Rule Law § 51

§ 51. Liberal construction. This chapter shall be liberally construed.\nThe powers herein granted shall be in addition to all other powers\ngranted to local governments by other provisions of law. A permissive\nprocedure authorized by this chapter shall not be deemed to be exclusive\nor to prohibit the use of any other procedure authorized by any state\nstatute, charter or local law lawfully adopted, but shall be deemed an\nalternative thereto.\n