N.Y. Second Class Cities Law § 39

§ 39. Record of ordinances. Every ordinance shall, upon its taking\neffect as herein provided, be recorded in a book kept for that purpose\nby the clerk. Such records shall include the signature of the president,\nattestation of the clerk and the mayor's written approval, or in case of\nhis disapproval a memorandum of its passage over his veto; or in case\nthe ordinance took effect because he failed to approve or disapprove and\nreturn within ten days, then a memorandum to that effect. Such record or\na certified copy thereof, shall be presumptive evidence of the passage\nof the ordinance and of the facts certified. The original engrossed\nordinances for each year shall be bound together and kept in the custody\nof the clerk.\n