Your Motion to Change Venue package should include: 1. When a judge transfers venue, your case is moved to a court in a different county.To move your case to another court, you must make a "Motion to. File her Request for Orders to change venue. You must serve the other party personally and cite your reasons for the change. How would you write your letter to a judge in family court regarding why you want a modification done in your case? Transfer the venue of your case to another court. Post-Trial. Customer: I need assistance with how to file for a change of venue with my family custody case. You can request a change of judge in a child custody case as your local rules allow. It is not unusual that a party may become angry at a rulin.