Electronic and Postal Communications (Radio communications and Frequency Spectrum) G.N. No. 424 (contd) may search and seize any radio communication equipment which is found by him in any place, vehicle, vessel or aircraft without a licence. Licensee to comply with international telecommunications convention 12. A licensee shall comply with the provisions of the International Telecommunications Convention and any Regulations annexed thereto which the Government of Tanzania has ratified. Fees for frequency usage and operating a station 13.-(1) The Authority may, where it considers appropriate and in the interests of the spectrum economy, charge frequency usage after taking note of the re-usability of the frequency, the area of coverage involved and the period of use of the assigned frequency. (2) Multi-channel radio communications equipment used for transmitting or receiving signals in the radio communication network shall be in accordance with the bandwidth of frequencies assigned. PART III TYPES OF LICENCES Aircraft station licence 14. An aircraft station licence shall be granted only in respect of a commercial or privately-owned aircraft registered in Tanzania. Duty of licensee in respect of equipment 15.-(1) An application for licence in any station on board an aircraft shall be accompanied by a certificate of air worthiness issued by the Tanzania Civil Aviation Authority. (2) A licensee of a station on board an aircraft shall observe the provisions of the Radio Regulations made under the International Convention and any other local or international rules and regulations applicable to stations on board an aircraft. 133