To disclose technicians' or construction companies' names, registration time and other details on a website, including trade data, given that it is for public review, is for defined and appropriate purposes. This Bureau holds that such data may be treated as registered data that is open to public review. Article 10 of the Personal Data Protection Act provides that the data subject has the right to information. Therefore, when collecting the data, this Bureau should explain the purposes of processing the data and supply other relevant information to the data subject. Article 21 of the Act stipulates that this Bureau must be notified where any automatic data processing is undertaken.