New York Consolidated Laws, Correction Law - COR § 353. Contents of petition

The petition must be in writing, and verified by the affidavit of the petitioner, to the effect, that the matters of fact therein stated are true, to the best of the petitioner's knowledge and belief. It must set forth the facts, showing that the applicant is entitled to make the application, and that the application is made to the proper court; the name and residence of each person, who is entitled to make such an application, as prescribed in the last section but one,  1 except the fifth subdivision thereof; and a brief description of the property, real and personal, of the prisoner, and the value thereof. If the applicant is a creditor, and not a resident of the state, he must annex to his petition, the papers specified in section sixty-two of the debtor and creditor law. If any of the facts, herein required to be set forth can not be ascertained by the petitioner, after the exercise of due diligence, that fact must be stated; and the court may, in its discretion, issue a subpoena, requiring any person to attend and testify, respecting any matter, which, in its opinion, ought to be more fully and certainly set forth.