(3) The information officer shall: 1) perform the tasks of regular information publishing, in accordance with the internal organisation of the public authority concerned, as well as handling individual requests for access to information and re-use of information; 2) improve the manner of processing, classifying, protecting and publishing information contained in official documents relating to the activities of public authorities; 3) provide necessary assistance to requesting parties in relation to their exercise of the rights laid down in this Act. (4) Public authorities shall notify the Commissioner of the decision to appoint an information officer within a month of passing the decision to appoint the information officer. (5) The Commissioner shall keep a Register of Information Officers. Official registry Article 14 (1) Public authorities shall keep a special official registry of any requests, procedures and decisions on the exercise of the right of access to information and re-use of information, in accordance with the provisions of this Act. (2) The organisation, contents and the manner of keeping the official registry shall be stipulated by the rules of the minister competent for general administration affairs. IV. EXCEPTIONS TO THE RIGHT OF ACCESS TO INFORMATION Restrictions and their duration Article 15 (1) Public authorities shall restrict the access to information in relation to any proceedings conducted by the competent bodies during pre-investigation and investigation actions for the duration of such proceedings. (2) Public authorities may restrict access to information in the following instances: 1) where information has been classified by a confidentiality level, in accordance with the act regulating confidentiality of information; 2) where information constitutes a trade or professional secret, under the law; 3) where information is a tax secret, under the law; 4) where information is protected by an act regulating the area of personal data protection; 7