A continuance changes the date of a court hearing or trial to a later date. A judge will give you a continuance if you can show good cause."Good cause" means a very good reason for changing the date that is already set. A person seeking the continuance must file with the court an affidavit stating: • the grounds for the continuance; and. On a first application for a continuance, it shall not be necessary to show that the absent testimony cannot be procured from any other source. If you request a continuance for your trial, you must swear in writing and submit it to the Court with your reasons three days before trial. If you request a continuance for your trial, you must swear in writing and submit it to the Court with your reasons three days before trial. No application for a continuance shall be heard before the defendant files his defense, nor shall any continuance be granted except for sufficient cause. Request for Continuance (Civil Cases). Case No. § In the Justice Court of.