CV-Certificate of Service (Service of Papers Other than Citation). Learn more about interrogatories, what to do if you are the responding party, what you can object to, and how much time you have to answer.Pursuant to Texas Rule of. Appellate Procedure 52.7(c), the record must be served on each party in an original proceeding, including a respondent trial judge. The certificate of service may be signed electronically. As described under Rules 140.9 and 142.4, copies of these questions must be sent to all other parties. Learn More About Requesting and Responding to Interrogatories During the Discovery Process in Texas. Must a certificate of service be filed for interrogatories under Florida Rules of Civil Procedure? For convenience, the following forms are available for downloading, printing and completing. If you have been served with Interrogatories and have questions about how you should answer, contact Hunt Law Firm today.