Regulation 65 Use of radio frequency(1) A person shall not use a radio frequency without authorisation from the Authority.(2) A person shall not use an allocated frequency for a service other than that for which it was allocated.(3) An operator shall not alter the authorised installation, operation or characteristics for the use of frequencies, the transmitting power and other technical parameters related to the use of the radio frequency except with the prior written approval of the Authority.(4) A person shall not provide any unauthorised communications service or use a frequency beyond the limit of the geographical area assigned by the Authority.(5) A communications service provider shall transmit its signals in accordance with the duly authorised output power, bandwidth, frequency or band.(6) An operator who holds authorisation for use of the radio frequency may be required by the Authority to obtain separate permits for the construction of radio facilities and installation of radio equipment.(7) The technical characteristics for service operation contained in radio installation permits may be changed at the request of the licensee if there is no change in the frequency allocated or in the output power permitted under the licence.(8) A frequency allocated by the Authority for any service shall be subject to renewal.(9) A validity period for an allocated frequency is five years.(10) Where any person wishes to re-use a frequency, the person may re-apply to the Authority.