Circuit Rule 52: Certification of Questions of State Law
Circuit Rules and Operating Procedures of the Seventh Circuit — Title VII. General Provisions
When the rules of the highest court of a state provide for certification to that court by a federal court of questions arising under the laws of that state which will control the outcome of a case pending in the federal court, this court, sua sponte or on motion of a party, may certify such a question to the state court in accordance with the rules of that court, and may stay the case in this court to await the state court’s decision of the question certified. The certification will be made after the briefs are filed in this court. A motion for certification shall be included in the moving party’s brief.