undertaking's economic and technical capability to provide the service in a given area, the need to promote equal and effective competition in the provision of telecommunications services and ensuring availability of these services. Article 83a. The President of UKE shall inform the European Commission of the designation of a telecommunications undertaking to provide the services referred to in Article 81 (3), and on each imposition, withdrawal, maintenance or amendment of regulatory obligations with respect to that undertaking. Article 84. The President of UKE shall prepare a list of designated undertakings and publish it on the UKE BIP website, identifying the scope of services provided by these undertakings and the area in which they have an obligation to provide these services. Article 85. 1. In the decisions referred to in Article 82 (4) and Article 83, the President of UKE shall specify in particular: 1) the service referred to in Article 81 (3) which shall be provided by a designated undertaking and the requirements on the provision of that service, taking account of the provisions of the European Union on quality of service; 2) the area in which the service referred to in point 1 will be provided; 3) the start-up date for the provision of the service referred to in point 1; 4) duration of providing the service referred to in point 1; 5) obligations of a designated undertaking referring to the scope, time limit and place of publication of information on the provision of the service referred to in point 1. 1a. In a decision referred to in Article 82 (4) the President of UKE shall specify the forecast net cost of providing the service subject to competition offered by a designated undertaking. 2. The decision referred to in paragraph 1 shall be subject to the provisions on consultation proceedings. Article 86. An undertaking designated to provide the service referred to in Article 81 (3) may not refuse to conclude an agreement to provide that service, where an end user meets the conditions resulting from the rules and regulations for the provision of that service. An undertaking designated to provide the service referred to in Article 81 (3) point 1 may not refuse to conclude an agreement to provide the service referred to in Article 81 (5). Article 87. A designated undertaking shall conclude, within 30 days of the date of submitting a request, an agreement referred to in Article 86, where it shall specify in particular the service provision start-up date. Article 88. The President of UKE, by means of a decision, shall determine for each of the undertakings designated to provide a service comprising universal service, which consists in the provision of a telephone service via public pay telephones or other points of access capable of voice communications, the minimum number of public pay telephones or other points of access capable of voice communications, including those adapted for use by people with disabilities, which should be available in the area where a designated undertaking is to provide that service, taking account of the development of telephony and justified needs of the inhabitants of this area. Article 89. A designated undertaking shall provide access for persons with disabilities to the provided universal service by offering: