Code of Civil Procedure Article 350

The court may subpoena a document which is in a government agency's custody or in a public officer's possession irrespective of whether such government agency or public officer has the duty to produce such document.The provision of Article 306 shall apply mutatis mutandis to the case provided in the preceding paragraph. Notwithstanding, in order to determine whether the agency or officer has a justifiable reason to refuse the production, the court, if necessary, may order such agency or official to produce the document and examine it in private.