Administrative Litigation Act Article 144

Where a witness is or was a public officer or a national representative and is to be examined with regard to the matter which he/she is obliged to keep confidential by virtue of his/her duties, he/she shall be examined with the permission of his/her supervising officer or the representative organ.The permission provided in the preceding Paragraph may not be withheld except that such examination will encumber highly confidential national information.The preceding two Paragraphs shall apply mutatis mutandis to the circumstances where the witness is commissioned to perform public functions by a government agency.