communications, under the terms in which such analytical accounts are kept for the activities carried out by legally independent entities, or 2. shall apply structural separation to the activities associated with the implementation of electronic communications. (2) The obligation referred to in Item 1 of Paragraph (1) shall not apply to any undertakings whose annual turnover in activities associated with the implementation of electronic communications is less than the lev equivalent of EUR 50,000,000 according to the official exchange rate of the lev against the euro. Chapter Five IMPLEMENTATION OF ELECTRONIC COMMUNICATIONS Section I General Provisions Article 64. (Supplemented, SG No. 17/2009) Electronic communications shall be implemented freely, after notification and/or after the granting of an authorization for use of an individually assigned scarce resource, complying with the requirements of this Act and of the instruments on the application thereof. Article 65. (1) Electronic communications for private needs shall be implemented freely in the cases where such communications are provided through: 1. (amended, SG No. 105/2011, effective 29.12.2011) electronic communications networks without use of scarce resource; 2. radio equipment, which uses radio spectrum which does not need to be individually assigned. (2) (Repealed, SG No. 105/2011, effective 29.12.2011). (3) (Repealed, SG No. 105/2011, effective 29.12.2011). Article 65a. (New, SG No. 105/2011, effective 29.12.2011) The implementation of electronic communications through radio equipment which uses radio spectrum which does not have to be individually assigned shall follow rules adopted by the Commission. The said rules shall be promulgated in the State Gazette. Article 66. (1) (Redesignated from Article 66, SG No. 105/2011, effective 29.12.2011) Public electronic communications shall be implemented after submission of a notification to the Commission. (2) (New, SG No. 105/2011, effective 29.12.2011) Undertakings providing cross-border electronic communications services to undertakings located in several Member States of the European Union shall submit one notification per Member State concerned. Article 67. (1) (Redesignated from Article 67, SG No. 105/2011, effective 29.12.2011) Electronic communications shall be implemented after the granting of an authorization in the cases where an individually assigned scarce resource is needed. (2) (New, SG No. 105/2011, effective 29.12.2011) Electronic communications shall be implemented after the granting of an authorization for use of an individually assigned scarce resource radio spectrum where this is necessary: 1. to avoid harmful interference; 2. to ensure technical quality of service; 3. to safeguard efficient use of the radio spectrum, or 4. to attain other specific general interest objectives, defined in accordance with European Union law. Article 68. Electronic communications may be implemented by an unlimited number of persons,