Administrative Litigation Act Article 172
Where there is no suitable handwriting available for comparison, the administrative court may order the person in whose name the document is issued to write the words designated by the court for the purpose of comparison.Where the person in whose name a document is issued disobeys the order provided in the preceding Paragraph without giving a justifiable reason, Article 165 or Article 169 shall apply mutatis mutandis.The words written for the purpose of comparison shall be annexed to the transcript; the same applies to other documents which are produced for the purpose of comparison and need not be returned.