[RT I, 23.12.2015, 1 – entry into force 24.12.2015] (3) [Repealed – RT I, 23.12.2015, 1 – entry into force 24.12.2015] § 23. Radio interference and elimination thereof (1) Causing of harmful radio interference is prohibited, except in the cases and pursuant to the procedure provided for in § 115 of this Act. (2) The user of radio frequencies may submit a complaint in connection with harmful radio interference to the Consumer Protection and Technical Regulatory Authority. [RT I 2007, 66, 408 – entry into force 01.01.2008] (3) A person who becomes aware of the fact that, as a result of his or her action or inaction, radio interference is caused must promptly take all measures available to eliminate the interference. (4) The Consumer Protection and Technical Regulatory Authority shall suspend or restrict the use of the equipment causing radio interference. The demand to suspend or restrict the use of the equipment shall be made in writing. [RT I 2007, 66, 408 – entry into force 01.01.2008] (5) If the Consumer Protection and Technical Regulatory Authority has suspended the use of the equipment causing radio interference, the equipment must not be switched on before elimination of the causes for the radio interference and before the Consumer Protection and Technical Regulatory Authority allows resuming the use of the equipment in writing. [RT I 2007, 66, 408 – entry into force 01.01.2008] (6) An official of the Consumer Protection and Technical Regulatory Authority who exercises supervision has the right, in order to eliminate radio interference, to enter the territory where the source of radio interference is located together with the possessor of the territory or a representative thereof in order to localise the source of and eliminate the radio interference, and the official also has the right to demand all information concerning the equipment which causes radio interference from the owner, user or possessor of the equipment. [RT I 2007, 66, 408 – entry into force 01.01.2008] (7) [Repealed – RT I 2007, 63, 397 – entry into force 17.12.2007] (8) [Repealed – RT I 2007, 63, 397 – entry into force 17.12.2007] § 24. Conduct of amateur radiocommunication The procedure for the use of radio frequencies for amateur radiocommunication purposes and for the issue of the radio amateur qualification shall be established by the minister in charge of the policy sector. § 25. Formation and assignment of radio call signs (1) Radio call sign is a combination of numbers or letters used for the identification of messages or radio transmission equipment. (2) The procedure for the formation and assignment of radio call signs shall be established by the minister in charge of the policy sector. § 26. Giving notification of information related to radio frequency management (1) The aviation frequency coordinator of the International Civil Aviation Organisation in Estonia shall notify the Consumer Protection and Technical Regulatory Authority in writing of approved radio frequencies for the organisation of air traffic services in the territory of Estonia and their technical conditions and amendment of the technical conditions within three working days after the date of establishment or amendment of the radio frequencies and the conditions. [RT I 2007, 66, 408 – entry into force 01.01.2008] (2) The Consumer Protection and Technical Regulatory Authority shall notify the person who manages state electronic communications networks and the Police and Border Guard Board of the call sign, selective call and the code of the radio transmission equipment assigned (Maritime Mobile System Identification, MMSI) to an Estonian ship within one working day after the receipt of the respective information concerning the water craft. [RT I, 23.03.2011, 1 – entry into force 25.05.2011] (3) The Consumer Protection and Technical Regulatory Authority shall notify the Transport Administration of the conditions of an issued ship radio licence and the code of the radio transmission equipment (MMSI) assigned to navigation equipment within one working day after the issue of the specified licence for the purpose of making a corresponding entry in the MARS (Maritime mobile Access and Retrieval System) database of the International Telecommunications Union. [RT I, 10.12.2020, 1 – entry into force 01.01.2021] Page 18 / 89 Electronic Communications Act