(4) A number shall be reserved for an unspecified term. (5) The reservation of a number terminates upon expiry of the numbering authorisation, revocation of the numbering authorisation or cancellation of the reservation. [RT I, 23.12.2015, 1 – entry into force 24.12.2015] (6) If a subscriber changes a provider of telephone or mobile telephone services and retains his or her current number, the reservation of the number in respect of the current provider of telephone or mobile telephone services ends and the reservation of the number transfers to the provider of telephone or mobile telephone services with whom the subscriber enters into a subscription contract which sets out as a condition of the contract that the current number is retained. § 39. Organisation of auction (1) If several persons have concurrently submitted applications for numbering authorisations for the use of the same short number or identification code and the applicants cannot be granted joint use of the short number or identification code, the Consumer Protection and Technical Regulatory Authority shall organise an auction for the issue of the numbering authorisation. Applications which have arrived on the same date are deemed to be applications that have arrived concurrently. [RT I 2007, 66, 408 – entry into force 01.01.2008] (2) The Consumer Protection and Technical Regulatory Authority shall inform the applicants of an auction in writing within five working days after the receipt of the applications and the applicants are allowed to submit their tenders within five working days. The winner of the auction shall be granted a numbering authorisation within 20 working days after the submission of the applications. [RT I 2007, 66, 408 – entry into force 01.01.2008] (3) The procedure for the organisation of an auction specified in § 19 of this Act and in this section shall be established by the minister in charge of the policy sector. Chapter 5 SECTOR-SPECIFIC REGULATION OF MARKETS OF COMMUNICATIONS SERVICES § 40. Purpose of sector-specific regulation of markets of communications services (1) The purpose of the sector-specific regulation of markets of communications services (hereinafter market) is to ensure the pluralism of communications service providers, their equal and non-discriminatory treatment by encouraging competition, and the quality and availability to end-users of the provided services. (2) [Repealed – RT I 2006, 25, 187 – entry into force 02.06.2006] (3) The sector-specific regulation of markets must be technologically neutral. (4) The sector-specific regulation of markets shall be conducted by the Consumer Protection and Technical Regulatory Authority. The Consumer Protection and Technical Regulatory Authority must take account of the general objectives provided for in § 134 of this Act upon performance of sector-specific acts and application of sector-specific measures provided for in this Chapter. [RT I 2007, 66, 408 – entry into force 01.01.2008] § 41. Sector-specific acts and measures (1) For the sector-specific regulation of markets, the Consumer Protection and Technical Regulatory Authority has the right to perform the following acts: [RT I 2007, 66, 408 – entry into force 01.01.2008] 1) define markets pursuant to § 43 of this Act; 2) conduct market analyses on the defined markets pursuant to §§ 44–442of this Act; [RT I, 15.12.2021, 1 – entry into force 01.02.2022] 3) designate undertakings with significant market power pursuant to § 45 of this Act. (2) For the sector-specific regulation of markets, the Consumer Protection and Technical Regulatory Authority has the right to apply the following measures: [RT I 2007, 66, 408 – entry into force 01.01.2008] 1) impose obligations on an undertaking with significant market power pursuant to § 46 of this Act and amend the obligations of an undertaking with significant market power pursuant to the provisions of subsections 4 and 6 of § 49 of this Act; 2) impose obligations on a communications undertaking and release a communications undertaking from obligations in connection with access and interconnection pursuant to §§ 63–632of this Act. [RT I, 15.12.2021, 1 – entry into force 01.02.2022] Page 24 / 89 Electronic Communications Act