Answering my own question: <a href="http://www.worldlii.org/int/other/PrivLRes/2005/2.html">http://www.worldlii.org/int/other/PrivLRes/2005/2.html</a> Article 55 appears to be relevant: (1) The Minister of Information and Communication may request the information and communications service providers, etc. (in this Article, including any person falling under a case where the provisions of Article 58 apply mutatis mutandis) to submit related goods and documents, etc.