Rule 3118. Demand for address of party or of person who possessed an assigned cause of action or defense. A party may serve on any party a written notice demanding a verified statement setting forth the post office address and residence of the party, of any specified officer or member of the party and of any person who possessed a cause of action or defense asserted in the action which has been assigned. The demand shall be complied with within ten days of its service.
New York Legal Code