N.Y. Stat. Local Gov'ts Law § 2
In providing for effective local self-government and intergovernmental cooperation which the bill of rights for local governments in article nine of the constitution declares to be purposes of the people of the state of New York, it is the intention of the legislature by the enactment of this chapter to provide a statute of local governments and to grant powers therein to local governments pursuant to paragraph one of subdivision (b) of section two of article nine of the constitution. Powers granted to local governments in this statute of local governments may be repealed, diminished, impaired or suspended only by the enactment of a statute by the legislature with the approval of the governor at its regular session in one calendar year and the re-enactment and approval of such statute in the following calendar year.
N.Y. Stat. Local Gov'ts Law § 2