A petition for change of venue can only be filed after a case has been established with the Workers' Compensation Appeals Board (WCAB). When you are ready to.An application for a change of venue must be filed at least 10 days before the date set for trial. When people who are in removal proceedings need to change the location of their Court from one city to another they need to file a motion to change venue. You just do a Request for Order (FL300) and request a change of venue. Attach a declaration with the facts of the move and your ex being out of the State. A motion is a formal request, made in writing, asking the court for a specific action. The written motion must be filed with the Oakland County Clerk's Office. To move your case to another court, you must make a "Motion to. The Petition and Order to Change Venue is a State Court Administrative Office form.