Constitutional Court Procedure Act Article 84

(Petitions Concerning Uniform Interpretation)After exhaustion of all ordinary judicial remedies, any person who believes that, in respect of the same legal provision in a statute or a regulation, a conflict exists between the interpretation rendered by a final court decision that finds against her or him and a prior one rendered by another court of last resort in a different adjudication system may lodge a petition with the Constitutional Court for a judgment of uniform interpretation on the relevant legal provision.The person may not lodge a petition under the preceding Paragraph if the final court decision that renders the conflicting interpretation in finding against him is still subject to challenge through proceedings as provided for by the law or the relevant prior court decision has been overturned.Petitions under the First Paragraph must be lodged within the peremptory period of three months after the service of the relevant final decision.