the State Gazette; (b) provide radio frequencies and radio frequency bands for use for implementation of electronic communications; 2. determine the particular technical requirements for the functioning of the electronic communications networks and the relevant facilities; 3. perform the international coordination of radio frequencies and radio frequency bands, as well as of radio equipment which uses such frequencies and bands, for all radio services with the exception of the aeronautical mobile radio service, aeronautical mobile-satellite radio service, aeronautical radio navigation service, aeronautical radio navigation-satellite service, maritime mobile radio service, maritime mobile-satellite radio service, maritime radio navigation service and maritime radio navigation-satellite service; 4. perform national coordination of radio frequencies and radio frequency bands with all state bodies, central-government departments and services concerned for the purpose of ensuring the safety of aeronautical and maritime navigation and protection of national security and defence; 5. prepare documents for registration in international electronic communications organizations of the coordinated radio frequencies and radio frequency bands and the radio equipment which uses such frequencies and bands; such documents shall be prepared for all radio services with the exception of the aeronautical mobile radio service, aeronautical mobile-satellite radio service, aeronautical radio navigation service, aeronautical radio navigation-satellite service, maritime mobile radio service, maritime mobile-satellite radio service, maritime radio navigation service and maritime radio navigation-satellite service; the registration documents shall be submitted to the Ministry of Transport, Information Technology and Communications for the effecting of international registration; 6. conduct examinations and issue licensed competence certificates to amateur radio operators; 7. control the efficient use of the radio spectrum and/or the sources of interference in the radio spectrum for civilian needs; 8. control the observance of the established international rules of procedure for the radio services; 9. provide for use the allocated call signs of the radio transmission equipment of the amateur radio service and listeners' call signs; 10. ensure conditions for the implementation of electronic communications for the purposes of maritime and aeronautical search and rescue, as well as for dissemination of current information for ensuring the safety of maritime and aeronautical navigation and of land transport; 11. participate, jointly with the Minister of Transport, Information Technology and Communications, in the work of the international organisations related to radio spectrum management; 12. with regard to public interest, acting on its own initiative or on the initiative of a concerned undertaking implementing electronic communications, may re-allocate the available scarce resource -radio spectrum and the geostationary orbital positions allocated to the Republic of Bulgaria according to international agreements - which shall be used for the provision of electronic communications networks and/or services for public or private needs; 13. (new, SG No. 105/2011, effective 29.12.2011) distribute the geostationary orbital positions allocated to the Republic of Bulgaria by international agreements. Article 33. (1) The Commission shall establish and keep public registers of the undertakings: 1. which have notified the Commission of their intention to implement electronic communications; 2. which hold authorizations for use of an individually assigned scarce resource; 3. (new, SG No. 105/2011, effective 29.12.2011) which are designated as undertakings with significant market power on a relevant market. (2) (Supplemented, SG No. 105/2011, effective 29.12.2011) The registers covered under Items 1 and 2 of Paragraph (1) shall contain the following information: 1. identification data on the person implementing public electronic communications after submission of a notification: