2) information concerning the type and scope of performed telecommunications activities and the sales volume of telecommunications services by 31 March. 2. A telecommunications undertaking with annual revenues from performing telecommunications activities in the previous financial year equal to or less than the amount of PLN 4 million shall submit to the President of UKE by 31 March information concerning the type and scope of the performed telecommunications activities and the sales volume of telecommunications services. 3. The Minister competent for digitalization shall specify, by means of an ordinance, the templates used to submit to the President of UKE the information referred to in paragraph 1 (2) together with explanations related to the manner of their filling, guided by the necessity to provide the President of UKE with the information necessary for proper execution of his/her obligations. Article 8. 1. The President of UKE shall make the information received from telecommunications undertakings available to the regulatory authorities of other European Union Member States, and to the Member States of the European Free Trade Association (EFTA) – parties to the Agreement on the European Economic Area, hereinafter called the “Member States” and the European Commission, with the exclusion of cases specified in the Act. 2. The President of UKE shall inform a telecommunications undertaking on making available the information submitted earlier by this undertaking at the request of the President of UKE. Article 9. 1. A telecommunications undertaking may consider information, documents or their parts including business confidentiality, submitted at the request of the President of UKE or on the basis of the provisions of the Act, as confidential. 2. The President of UKE may repeal confidentiality by means of a decision where he/she finds that this information is necessary. 3. The confidentiality shall be taken into account while publishing information or documents and ensuring access to public information. 4. In the case of the statutory obligation to submit information or documents received from undertakings to other national bodies, foreign regulatory authorities or the European Commission, the information and documents shall be submitted subject to confidentiality and under the condition of its observance. Chapter 2 The Performance of Telecommunications Business Activities Article 10. 1. The telecommunications activities which constitute business activities shall be the regulated activities and shall be subject to entry in the register of telecommunications undertakings, hereinafter referred to as “the register”. Telecommunications activities conducted by a telecommunications undertaking from a Member State or a state which concluded with the European Community and its Member States an agreement on the freedom to provide services and which temporarily provides services in the territory of the Republic of Poland under the terms and conditions specified in the provisions of the Treaty establishing the European Community, Agreement on the European Economic Area or in the provisions of another agreement regulating the freedom to provide services, as appropriate, shall be also subject to entry in the register. 1a. Activities referred to in Article 3 (1) of the Act of 7 May 2010 on supporting the development of telecommunications networks and services (Journal of Laws of 2016, items 1537, 1920 and 2003 and of 2017, items 1529 and 1566), not constituting business activities,