As part of a divorce, the Court has the authority to order that a couple file a joint tax return.  In re Marriage of Deanna Solis-Cantrill v. Dean Cantrill, the court held that a trial court in Illinois has the legal authority to use its discretion by ordering parties to file a joint tax return as part of a comprehensive approach to settle financial issues when parties are unable to reach an agreement. 2016 Ill.App.3d 150716-U. The court in this unpublished case considered the statutory authority and out-of-state case law to support the finding that the court has the authority to order parties to file joint tax returns, even without an agreement to do so. (Read more)