N.Y. Surr. Ct. Proc. Act § 204

§ 204. Presumption of jurisdiction\n Where the jurisdiction of the court to make a decree or other\ndetermination is drawn in question collaterally, the jurisdiction is\npresumptively and in the absence of fraud or collusion, conclusively\nestablished by an allegation of the jurisdictional facts contained in a\nverified pleading. Jurisdiction of the parties is presumptively proved\nby a recital to that effect in the decree.\n