Administrative Litigation Act Article 203

If there is change of circumstances which was not predictable then after the constitution of a contract under public law, and if the performance of the original obligation arising therefrom will become obviously unfair, the administrative court may, on motion by a party, render a judgement for increasing or reducing the payment, or altering or lifting the original obligation.If a party is an administrative agency, it may initiate the motion as provided in the preceding Paragraph for the purpose of preventing or avoiding causing manifest harm to the public interest.The preceding two Paragraphs shall apply mutatis mutandis to pecuniary award occurred as a result of other grounds in public law.