Administrative Litigation Act Article 166

Where a document identified to be introduced as documentary evidence is in a third party's possession, a party shall move the administrative court either to order such third party to produce such document or to designate a period of time within which the party who intends to introduce it as evidence shall produce such document.Paragraphs 2 and 3 of Article 342 of the Code of Civil Procedure shall apply mutatis mutandis to the motion provided in the preceding Paragraph.A preliminary showing shall be made with regard to the fact that the document is in a third party's possession and the reason why the third party has the duty to produce such document.