N.Y. Civil Practice Law & Rules § 3130: Use of interrogatories

§ 3130. Use of interrogatories. 1. Except as otherwise provided

herein, after commencement of an action, any party may serve upon any

other party written interrogatories. Except in a matrimonial action, a

party may not serve written interrogatories on another party and also

demand a bill of particulars of the same party pursuant to section 3041.

In the case of an action to recover damages for personal injury, injury

to property or wrongful death predicated solely on a cause or causes of

action for negligence, a party shall not be permitted to serve

interrogatories on and conduct a deposition of the same party pursuant

to rule 3107 without leave of court.

2. After the commencement of a matrimonial action or proceeding, upon

motion brought by either party, upon such notice to the other party and

to the non-party from whom financial disclosure is sought, and given in

such manner as the court shall direct, the court may order a non-party

to respond under oath to written interrogatories limited to furnishing

financial information concerning a party, and further provided such

information is both reasonable and necessary in the prosecution or the

defense of such matrimonial action or proceeding.