To get a change of venue in a California family law case, you must file a motion for change of venue with the court where your case is currently filed. There is no filing fee for this petition. 7.In addition all forms must be typed or handwritten in block letters to insure legibility. How would you write your letter to a judge in family court regarding why you want a modification done in your case? 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. Local Forms, Adoption Forms, Family Law Forms, Juvenile Forms, Probate and Court Investigator's Forms, Small Claims Forms, Traffic Forms Your Motion to Change Venue package should include: 1. 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.