service provider providing a comprehensive directory or comprehensive directory enquiry service shall immediately notify the Agency if another operator of publicly available telephone services fails to provide it with the information referred to in the first paragraph of this Article. (4) A universal service provider providing a comprehensive directory or comprehensive directory enquiry service may not treat information provided to it by different providers of publicly available telephone services in a different manner. (5) The universal service provider referred to in the preceding paragraph may not charge providers of publicly available telephone services for the publication of information on their subscribers in a comprehensive directory or the use of that information in a comprehensive directory enquiry service. Article 117 (provision of universal service) (1) All end-users in the territory of the Republic of Slovenia must be provided with the universal services referred to in Article 115 of this Act. (2) The Agency may designate one or universal service providers when, on the basis of an analysis of the situation and after prior consultation with interested parties, it assesses that this is necessary in order to ensure the high-quality provision of universal service for the entire territory of the Republic of Slovenia. The Agency may designate different universal service providers in order to provide different parts of universal service or to cover different parts of the territory of the Republic of Slovenia. (3) Where the Agency finds, on the basis of the analysis of the situation and after the consultation with interested parties referred to in the preceding paragraph, that a universal service provider need not be designated for a particular part of universal service or to cover a particular part of the territory of the Republic of Slovenia, it must, at regular intervals, which may not be longer than two years, make checks to ensure that the designation of universal service provider is still not required. (4) The Agency may decide not to designate the universal service provider referred to in point 4 of the second paragraph of Article 115 of this Act for the entire territory of the Republic of Slovenia or a part thereof if, on the basis of consultation with interested parties, it finds that this service or comparable services are available to a sufficient degree in this area. Article 118 (designation of a universal service provider) (1) Unless this Chapter determines otherwise, the Agency shall designate a universal service provider by decision for a period of five years, on the basis of mutatis mutandis application of the provisions of Chapter V of this Act governing public invitations to tender. (2) The subject of the public invitation to tender shall be the provision of the various services included under universal service, or the provision of universal service in a specific area or on the entire territory of the Republic of Slovenia. (3) In formulating the criteria for the selection of a universal service provider, the Agency shall take into account the objectives of reliability, quality and cost-effectiveness of the provision of universal service. (4) The Agency must, in procedures pursuant to this Article, pay due regard to the principles of efficiency, objectivity, transparency and non-discrimination. (5) If the public invitation to tender is unsuccessful, the Agency shall designate, by decision, that undertaking with significant market power in the area of publicly available telephone