5 Further provisions on the type of telecommunications considered to be temporary or of minor significance may be given by Ministry of Transport and Communications decree. All identification and contact information of an enterprise, organisation or association necessary for the purposes of supervision, as well as a description of the operations, shall be entered in a telecommunications notification referred to in subsection 1. Ficora may issue further regulations on the information to be submitted as well as the form and delivery of the notification. Ficora shall be notified of any changes affecting the information entered in a telecommunications notification or if the operator discontinues operations. If, for unforeseen reasons, a telecommunications operator or pay-television service provider can no longer offer the communications service or other service agreed to with the subscriber and does not follow the procedure for cancelling the agreement, the operator shall promptly but no later than two weeks prior to termination of services notify the subscriber and Ficora of the termination of services. At the same time, the telecommunications operator shall notify the subscriber of the means available to save the subscriber’s messages. If termination of a communications service referred to in subsection 6 is caused by disconnection of a network service, the network operator under whose network the service provider operates shall notify the telecommunications operator providing the service and Ficora no later than four weeks before disconnection of the network service. Section 5 Notification register Ficora shall keep a public register of notifications referred to in Section 4. Ficora shall provide confirmation of the receipt of a telecommunications notification within a week of receipt. The confirmation notice shall indicate the rights and obligations related to the concerned operations in Finland under this Act. Chapter 3 Network Licence Section 6 Telecommunications subject to a licence A licence is required to provide a network service that uses radio frequencies in a digital terrestrial mass communications network or in a mobile network practising public telecommunications. The above provisions shall also apply to a mobile network functioning as a public authority network and operating in more than one municipality. By derogation from subsection 1 above, a licence is not required to provide a network service in a digital terrestrial mass communications network if: 1) the operations last no more than a month and the used television transmitter’s radiation power does not exceed 50 watt; or 2) the television transmitter’s radiation power is so low, considering the location where it will be used, that its operation will only extend to a limited area.