Use the forms found on the Motions page, for discovery motions. Once you get the defendant or respondent's signature for delivery, fill out a Proof of Service and file it along with the signature.Discovery requests (interrogatories, requests for production, or requests for admission) and responses are not filed with the court at the time they are served. To seal a new case, a party must file in the Salt Lake. Complete all 4 paragraphs. (1). The State of Utah objects to Applicant's Request for Production of. The plaintiff can serve interrogatories, demands to produce, and requests for admission ten days after either the service of summons on the defendant. One of the most common methods of discovery is to take depositions.