Final Draft/Rev.5 (c) Frequency ownership ensure that there is no unauthorized emission from its transmitters which cause harmful interference or illegal use of the spectrum. 47. (1) A frequency assignment shall not confer any ownership rights of the frequency to the licensee and may be withdrawn or changed as the Authority may determine to be in the best interests of the country. (2) Frequencies assigned to be used by a licensee and the rights therein granted by such assignment shall not be transferred, without the written consent of the Authority. (3) No material change may be made in a licensed station, including change of station parameters as specified in the license without the approval of the Authority. (4) The Authority may require licensees to share frequencies. (5) The Authority may where it considers appropriate require the licensee to migrate to a new frequency band. Harmful interference 48. (1) A licensee shall ensure that it does not, in providing its service or operating its telecommunications equipment, interfere with the frequency or operation of any other telecommunications service or radio equipment. (2) A licensee shall, where any interference referred to in subregulation (1) occurs, take all steps necessary to eliminate the interference. Emergency and distress signals 49. (1) Radio stations shall comply with international regulations concerning distress, such as the group ... --- ... (SOS) in radio telegraphy and the words "MAY DAY" in radio telephony and priority shall be given to any other communication. (2) The Authority shall ensure that all frequencies identified emergency and distress signals are not used for any other communication. Application of this Part 50. (1) The provisions of this Part shall apply to all parties involved in the import, manufacture, use or supply of telecommunications, broadcasting and postal electronic equipment. (2) Any type of electronic equipment used or to be used in connection with the provision of the regulated services, unless explicitly exempted by the Authority, shall be type approved by the Authority in accordance with these Regulations prior to import into, use or sale in 24