3. Changes in the name or address of the responsible party must be notified within one week. Changes to the notification which concern (1)(b) to (f) shall be notified in each case within one year of the previous notification, where they appear to be of more than incidental importance. 4. Any processing which departs from that which has been notified in accordance with the provisions of (1)(b) to (f) shall be recorded and kept for at least three years. 5. More detailed rules can be issued by or under general administrative regulation concerning the procedure for submitting notifications. Article 29 1. It may be laid down by general administrative regulation that certain categories of data processing which are unlikely to infringe the fundamental rights and freedoms of the data subject, are exempted from the notification requirement referred to in Article 27. 2. In this case, the following particulars shall be stated: the purposes of the processing, the processed data or categories of processed data, the categories of data subjects, the recipients or categories of recipients to whom the data is to be supplied, and the period during which the data are to be stored. 3 . Where this is necessary in order to detect criminal offences in a particular case, it may be laid down by general administrative regulation that certain categories of processing by responsible parties who are vested with investigating powers by law shall be exempt from notification. Compensatory guarantees to protect personal data can be provided in this connection. The processed data may only be used for the purposes expressly stated in the said general administrative regulation. 4. The notification requirement does not apply to public registers set up by law or to data supplied to an administrative body pursuant to a legal obligation. Article 30 1. Both the Data Protection Commssion and the officer shall maintain an up-to-date register of the data processing notified to them. The register shall contain as a minimum the information provided in accordance with Article 28(l)(a) to (e). 2. The register may be consulted by any person free of charge. 3. The responsible party shall provide any person who so requests with the information referred to in Article 28(l)(a) to (e) concerning data processing exempted from the notification requirement. 4. The provisions of (3) do not apply to: a. data processing which is covered by an exemption under Article 29(3).