Article 29 (Secrets relating to copyright) The use of information which may infringe copyright of literary, artistic or scientific works, as well as reproduction, distribution and use of the works and related information that may lead to unfair competition practices, is not permitted. Article 30 (Access to classified documents) Access to classified information or documents is only permitted upon expiration of the period of classification. Article 31 (Decision) Refusal to provide information, documents or to allow documents to be consulted shall be argued on the basis of the present Act Article 32 (Language) All information shall be provided in the official language and may be disclosed in the official language or any national language. CHAPTER III GUARANTEES AGAINST INFRINGEMENT [ASSURANCES ON LEGALITY] Article 33 (Guarantees for right of access to information) 1. Refusal to grant access to information may be contested through appeals for equitable relief, before the courts or by invoking the right to petition under the law. 2. Judicial challenge is brought before the Administrative Courts. Article 34 (Administrative appeal) 1. Refusal to grant access may be:   9