N.Y. Civil Practice Law & Rules § 3101
(a) Generally. There shall be full disclosure of all matter material and necessary in the prosecution or defense of an action, regardless of the burden of proof, by:
(f) Contents of insurance agreement. (1) No later than ninety days after service of an answer pursuant to rule three hundred twenty or section three thousand eleven or three thousand nineteen of this chapter, any defendant, third-party defendant, or defendant on a cross-claim or counter-claim shall provide to the plaintiff, third-party plaintiff, plaintiff on counter-claim, and any other party in the action proof of the existence and contents of any insurance agreement in the form of a copy of the insurance policy in place at the time of the loss or, if agreed to by such plaintiff or party in writing, in the form of a declaration page, under which any person or entity may be liable to satisfy part or all of a judgment that may be entered in the action or to indemnify or reimburse for payments made to satisfy the entry of final judgment. A plaintiff or party who agrees to accept a declaration page in lieu of a copy of any insurance policy does not waive the right to receive any other information required to be provided under this subdivision, and may revoke such agreement at any time, and upon notice to an applicable defendant of such revocation, shall be provided with the full copy of the insurance policy in place at the time of the loss. Information and documentation, as evidenced in the form of a copy of the insurance policy in place at the time of the loss or the declaration page, pursuant to this subdivision shall include: