N.Y. Village Law § 2-224
A person qualified to vote at such election may, not more than ten days after the filing of the original of the certificate of election, institute a proceeding to determine the validity or regularity of such election before the supreme court or any justice thereof within the judicial district in which such territory or any part of it is located. Such court or justice thereof shall, in connection therewith, determine any question arising and make such order as justice may require in respect to the validity and regularity of such election. The proceeding shall be heard upon verified petition and such oral or written proof as may be offered and, in addition to the notice hereinafter required, upon such further notice to such persons as the court or justice shall direct. The proceeding shall be summarily determined and shall have preference over all other causes in all courts. Certified copies of the decision shall be filed in the office of the clerk of each town in which any portion of such territory is located. No costs shall be allowed to any party to such proceeding.
N.Y. Village Law § 2-224