Interrogatories are a discovery tool (among many) used in lawsuits in New York courts. In sum, these are written questions seeking specific information.After commencement of an action, any party may serve written interrogatories upon any other party. IAS PART 9, Matrimonial Division. The claim herein is based upon a breach of contract. Rules, New York does not limit the number of interrogatories that each party can request43. (iii) Requests for Production. 7 This is the same information sought in the NRA Contention Interrogatories. Rule 4(b): Interrogatory answers are due 60 days after service. Rule 4(b): Interrogatory answers are due 60 days after service.