No. 18 Tanzania Communications 1993 13 (1) the operation of the telecommunication system (I) in the course of their duties by the officers and men of the armed forces the police and national security of the United Republic; or (II) by the Tanzania Broadcasting Corporation or any other person In the provision of any broadcasting and television services under the Tanzania Broadcasting Act, 1993, 10,-(I) The Commission shall maintain control over all radio communication channels and frequencies and provide for the use of such channels and frequencies by persons for limited periods of time by issuing licences under such condition as shall be determined by the Commission. (2) The Commission may, consistent with public interest, convenience and necessity make regulations(a) governing harmful interference to other communications; (b) establishing minimum performance standards of electronic appliances; in regard to manufacture, Import, sale, shipment and use of such devices or appliances, (3) The Commission shall set aside separate radio frequency spectrum for use and management by the central government, the Tanzania Broadcasting Commission and those to be allocated and managed by the Com. mission for commercial, local governments, non governmental institutions and other uses, and shall maintain register In respect of all operators to whom radio frequency spectrum have been allocated. (4) The Commission shall from time to time(a) classify radio stations, prescribe the nature of service to be rendered by each station, assign bands of frequencies to each class of stations and assign frequencies to each and the time during which it may operate, (b) make regulations to(i) prevent interference between stations and to carry out the requirements under this Act; (ii) require stations to maintain such records of communications or signals as the Commission may deem necessary; (iii) require stations to submit to the Commission such reports as the Commission may from time to time require, (5) The Commission shall have authority to inspect all radio installations associated with stations required to be licensed under this Act, to ascertain whether they conform to the requirements of the regulations in regard to construction, installation and operation. Act No. 6 of 1993 Commission to manage and assign the national radio frequency spectrum