a) equal access to directory services, to emergency numbers or other numbering agreed on an international scale, subject to the requirements of entities referred to in Article 4 point (1), (2), (4), (5), (7) and (8), b) number portability; 6) additional facilities, including auxiliary and advanced services related to the mutual provision of telecommunications services, in particular: a) operator’s consultant assistance, b) national and international directory enquiry services, c) calling and called line identification presentation, d) telephone calls routing, e) telephone calls made by means of phone cards, f) making free phone calls and premium rate calls, g) billing of performed telecommunications services, invoicing or vindication. Article 32. The Minister competent for digitalization shall specify, by means of an ordinance, detailed requirements for ensuring telecommunications access, in particular with regard to: 1) holding negotiations concerning telecommunications network interconnection, 2) the performance of obligations related to telecommunications networks interconnection and regarding the fulfilment of requirements in relation to interoperability of services, network integrity, procedures in the event of emergencies and failures as well as telecommunications confidentiality. 3) providing the entities referred to in Article 4 point (1), (2), (4), (5), (7) and (8) with telecommunications access to the public telecommunications network, 4) preserving confidentiality of information related to ensuring telecommunications access, 5) settlements resulting from the mutual use of a telecommunications network as well as non-performance or inadequate performance of mutually provided telecommunications services – for the purpose of ensuring effective competition in the telecommunications market and the protection of end users. Article 33. 1. A telecommunications undertaking obliged under Article 34 or Article 45 and the entity referred to in Article 4 point (1), (2), (4), (5), (7) and (8), being a party to a telecommunications access agreement, shall submit the text of this agreement to the President of UKE within 14 days of the date of signing the agreement. 2. Subject to paragraph 3, telecommunications access agreements referred to in paragraph 1 shall be public. The President of UKE shall make them available to interested entities at their request free of charge. 3. The President of UKE, at the request of a party to a telecommunications access agreement, may agree that certain provisions in the agreement shall not be public. Such exclusion may not include settlements resulting from telecommunications access. Article 34. 1. The President of UKE, in line with the objectives referred to in Article 24 point (2a), may impose, by means of a decision, on an operator with significant market power the obligation to take account of justified requests from telecommunications undertakings to be provided with telecommunications access, including the use of network elements and associated facilities, in particular taking into account the level of competition in the retail market and end users’ interest. 2. The obligation referred to in paragraph 1 may in particular consist in: