consumers. This information must be published in a clear, comprehensive and easily accessible form. To this end, the Agency may issue recommendations, including additional requirements regarding the form in which such information must be published. The Agency may, where appropriate, encourage operators to undertake self-regulatory or co-regulatory measures such as the signing of voluntary codes of conduct. (2) If the Agency finds that adequate and high-quality information is not available on the basis of the preceding paragraph, it may, by means of a general act, specify that operators must, inter alia: 1. provide subscribers with information on applicable tariffs regarding any number or service that is subject to special pricing conditions, where, with respect to individual categories of service, the Agency may require such information to be communicated directly prior to connecting the call; 2. notify subscribers of all changes regarding the provision of access to emergency services or to caller location data as part of the services to which they are subscribed; 3. notify subscribers of all changes to conditions that restrict access to or the use of services and applications and permitted under the legislation of the Republic of Slovenia, in accordance with EU regulations; 4. provide information on all procedures put in place by the undertaking to measure and shape traffic so as to avoid filling or overfilling a network link, as well as information on how those procedures could affect service quality; 5. inform subscribers of the right to include their personal data in the directory and of the types of personal data, in accordance with Article 137 of this Act; 6. regularly inform disabled subscribers, using technologies adapted to their needs, of details of products and services designed for them. (3) The Agency shall publish up-to-date links to the websites of operators to allow information on operators’ services, prices and general terms and conditions to be monitored and compared. If applications that provide comparable information are not available free of charge or at a reasonable price in the market, the Agency may provide those applications itself. Article 133 (quality of public communications services) (1) The Agency may, after taking account of the views of interested parties, require operators to publish comparable, adequate and up-to-date information on the quality of their services and on measures taken to ensure equivalence of access for disabled end-users. The operator must, upon request, supply this information to the Agency in advance of its publication. (2) The Agency may, by means of a general act, regulate in detail the issues arising from the implementation of this Article. In particular, it may set the quality of service parameters to be measured and the content, form and manner of the information to be published, including possible quality certification mechanisms, in order to ensure that end-users, including disabled end-users, have access to comprehensive, comparable, reliable and user-friendly information. (3) The Agency may, by decision, impose a minimum quality of service requirement on operators of public communications networks in order to prevent the degradation of service, including the hindering or slowing down of traffic over their networks. (4) Prior the issuing of the decision referred to in the preceding paragraph, the Agency must send the Commission and BEREC a summary of the grounds for action, the envisaged requirements and the proposed course of action. The Agency shall take utmost account of any comments and recommendations the Commission might make after examining this