Delivering legal papers is called "service of process". The law says that legal papers have to be "served" (delivered) the right way.Interrogatories are a discovery tool (among many) used in lawsuits in New York courts. In sum, these are written questions seeking specific information. Undisputed Legal provides reliable Franklin County New York Process Service. Routine or Rush Service, We Serve All Legal Papers Click here. 1. Except as otherwise provided herein, after commencement of an action, any party may serve upon any other party written interrogatories. Offices in the Northern District of New York. The Northern District does not accept any filings via facsimile or email. You may also visit the NYSCEF website for more information (link listed below) or call 1-.