telecommunications access and retail prices as well as the application of unjustified price advantages by telecommunications undertakings with significant market power. Article 55. (deleted). PART III End user protection and universal service Chapter 1 Provision of telecommunications services to end users Article 56. 1. Telecommunications services shall be provided on the basis of an agreement for the provision of telecommunications services. 2. An agreement for the provision of telecommunications services shall be concluded in a written or electronic form by means of a form made available on the service provider's website. The written or electronic form is not required in the case of an agreement for the provision of telecommunications services the conclusion of which is implied by the very performance of certain actions, including in particular the agreement for the provision of prepaid services in the public telecommunications network, publicly available telephone services provided by means of a public pay telephone or by dialling an access number to the network of a service provider. 3. An agreement for the provision of publicly available telecommunications services requiring a written or electronic form, subject to paragraph 5, should define in a clear, comprehensive and easily accessible form in particular: 1) the parties to the agreement, including the name, address and seat of a service provider; 2) the services provided, indicating the elements comprising the monthly rental fee; 3) waiting time for connection to the network or the start-up date for the provision of services; 4) the period for which the agreement is concluded, including the minimum period required to benefit from promotional terms and conditions; 5) tariff option, if there are different tariff options for provided services; 6) method of placing orders for tariff options and additional service options; 7) means of payment; 8) the settlement period; 9) the procedure and conditions for making amendments to the agreement and the conditions for its prolongation and termination; 10) any restrictions on the use of terminal equipment made available to the subscriber by the provider of telecommunications services, if imposed or mandated by the service provider. 11) data on the functionality of the service provided including information on: a) whether or not calls to emergency numbers are being provided, b) whether or not caller location information is being provided, c) any limitations on the routing of calls to emergency numbers, d) any limitations on access to or use of services and applications, e) the procedures put in place by the service provider to measure and shape network traffic so as to avoid filling or overfilling a network link, together with information on how those procedures could impact on the quality of services provided, f) the activities that the service provider is entitled to undertake in relation to the cases of breaches to security or integrity of the network and services;