No. 18 Tanzania Communications 1993 19 (5) The Commission or any other person by whom any matter falls to be determined for the purposes of any requirement imposed in pursuance of subsection (2) or (4) may charge a fee in respect of the carrying, out of any test or other assessment made by the Commission or other person. (6) A public telecommunication licensee may, with approval of the Commission (except in cases of emergency), cease or refuse to supply the telecommunication service to any person by means of telecommunication system or telecommunication line operated by the licensee if, through the use of such telecommunication service, there is or is intended to be connected to the telecommunication system or telecommunication line, equipment of cabling that is a threat to(a) the safety or proper functioning of the telecommunication line; or (b) the safety of any person. 22.-(1) The Commission may, with the approval of the Minister, Power to make regulations for any purpose for which regulations are required to make regbe made under this Act and generally for carrying out the purposes and ulations provisions of this Act. (2) Without prejudice to the generality of subsection (1), the Commission may, with the approval of the Minister, make regulations for or with respect to all or any of the following matters: (a) the proficiency examinations, including the syllabi and the details thereof, for the certification of competency of individuals operating telecommunication services or for the grant of any licence by the Commission; (b) the classes and the conditions for the grant of licences by the Commission; (c) the regulation of dealing in and, use of telecommunication equipment; (d) the regulation of interference by radio-waves or electrical or other means to telecommunication in the United Republic; (e) the regulation of installation, wiring, cabling and other types of works to be carried out on the telecommunication systems of a public telecommunication licensee; (f) the regulation of telecommunications and postal tariffs. Act No. (3) Until regulations are made by the Minister under this Act all subsidiary legislation, made under the Tanzania Posts and Telecommuni- 15 of 1977 cations Corporation Act, 1977, and, in particular, but without prejudice to the generality of the foregoing, the subsidiary legislation set out in the Third Schedule to this Act, as from time to time amended and in force at the date when this Act comes into operation, shall apply, with necessary modifications, as if that subsidiary legislation were made under this Act.