Article 29. The President of UKE may ex officio, by means of a decision, modify the content of a telecommunications access agreement or oblige the parties to the agreement to modify it in cases justified by the need to protect the interests of end users and to ensure effective competition or interoperability of services. Article 30. 1. The provisions of Articles 26-28 and Article 33 shall apply to modifications in telecommunications access agreements. 2. A consolidated text of an agreement with all changes made shall be attached to the request for modification in the telecommunications access agreement which was modified at least once. Article 31. 1. The conditions of telecommunications access and cooperation related thereto shall be determined by telecommunications undertakings in a telecommunications access agreement to be concluded in writing, otherwise invalid. 2. An agreement on telecommunications access with respect to interconnection should include provisions regarding, at least: 1) the location of telecommunications network interconnection points; 2) technical conditions of telecommunications network interconnection; 3) the settlements regarding: a) ensuring telecommunications access and mutual use of telecommunications networks, b) non-performance or inadequate performance of mutually provided telecommunications services; 4) methods for meeting the requirements: a) within the scope of interoperability of services, network integrity, procedures in the event of emergencies and failures, keeping telecommunications confidentiality and the protection of data in the network; b) regarding electromagnetic compatibility; 5) dispute resolution procedures; 6) proceedings in the event of: a) modifications to the contents of an agreement, b) testing interoperability of services in interconnected telecommunications networks, especially in relation to examining the quality of telecommunications services, c) reconstruction of interconnected telecommunications networks, d) changes to telecommunications services on offer, e) changes to numbering; 7) conditions for terminating an agreement, related in particular to maintaining the continuity of universal service provision, if provided in interconnected networks, the protection of users’ interests, as well as the needs of national defence, state security and public order and safety; 8) types of mutually provided telecommunications services. 3. An agreement on telecommunications access with respect to interconnection may also include, depending on the type of interconnected networks, relevant provisions regarding: 1) ensuring continuity of telecommunications services provision in the event of terminating an agreement; 2) collocation conditions for the needs of network interconnection; 3) ensuring the quality of telecommunications services provided; 4) effective use of frequency or orbital resources; 5) shared use of numbering resources, including the assurance of: