2. The provision of paragraph 1 shall not apply to cases in which the called subscriber has limited incoming calls from end users located in particular geographic areas. 3. The President of UKE, at the request of an operator of a public telecommunications network in which publicly available telephone services are provided, may, by means of a decision, suspend the execution or limit the scope of execution of an obligation referred to in paragraph 1, in the event of technical or economic reasons which prevent the requesting party from executing this obligation in full or in part. If the execution of an obligation was suspended for a specific period of time, the President of UKE shall specify the schedule for the requesting party’s network adaptation to the execution of an obligation included in the request. Article 79a. A provider of publicly available telephone services allowing international calls shall handle calls incoming to and outgoing from the ETNS, according to the rates similar to the rates applied for calls to other Member States and from those states. Article 79b. The President of UKE may, where this is justified by reasons of end users' protection against fraud in the telecommunications network, by means of a decision, require the telecommunications undertaking to block access to numbers or services and impose the obligation to withhold revenues for calls or services provided after the decision was issued. Article 79c. 1. A provider of publicly available telephone services shall ensure, where technically feasible, that its disabled end users have access to telephone services of that provider equivalent to access to telephone services enjoyed by the majority of end users. 2. The President of UKE shall publish on the UKE BIP website information on terminal equipment available on the market that is adapted to the needs of disabled end users. 3. The Minister competent for digitalization shall specify, by ordinance, detailed requirements related to the provision of facilities for the disabled by the providers of publicly available telecommunications services, taking account of the need to ensure that the disabled end users have access to telephone services equivalent to that enjoyed by the majority of end users. Article 80. 1. A provider of publicly available telecommunications services shall deliver to its subscribers free of charge with each invoice, a basic billing that includes information about paid calls made together with the number of charging units corresponding to the value of calls made by subscribers, provided for each type of call. 1a. In the case of a pre-paid service provided in the public mobile telecommunications network, for a subscriber who has an assigned number and has made available his/her data referred to in Article 60a (1a), a basic billing of telecommunications services shall be delivered at his/her request and includes only the services made following the submission of a request by that subscriber. The first billing shall be delivered to the subscriber within 14 days of the submission of a request, and each subsequent billing by the 10th day of a calendar month. The delivery of a billing may be subject to a charge specified in the tariffs. 2. A provider of publicly available telecommunications services shall deliver at the request of a subscriber with an assigned number an itemised billing which may be subject to a charge specified in the tariffs. 3. An itemised billing should include information with regard to the paid calls made, including for each call: the called number, the date and time when the call was originated, call duration and the fee charged for this call, indicating gross and net prices. 4. A provider of publicly available telecommunications services shall deliver an itemised billing starting from the current settlement period or a month in which the subscriber