N.Y. Crim. Proc. Law § 400.22

§ 400.22 Evidence of imprisonment.\n The certificate of the commissioner of correction or of the warden or\nother chief officer of any prison, or of the superintendent or other\nchief officer of any penitentiary under the seal of his office\ncontaining name of person, a statement of the court in which conviction\nwas had, the date and term of sentence, length of time imprisoned, and\ndate of discharge from prison or penitentiary, shall be prima facie\nevidence of the imprisonment and discharge of any person under the\nconviction stated and set forth in such certificate for the purposes of\nany proceeding under section 400.20.\n