16 No. 12 Tanzania Communications Regulatory Authority 2003 (4) There shall be employed by the Authority such other officers, staff and employees of the Authority of such number and titles as may be necessary for the efficient discharge of the functions of the Authonty, and on such terms and conditions as may be determined by the Board. (5) The Authority shall appoint consultants and experts of the Authority in various disciplines on such terms and conditions as the Authority may from time to time determine. (6) The Authority shall establish a competitive selection procedure for the appointment of all employees, consultants and experts. (7) The Authority shall comply with the competitive selection procedure established under subsection (6) whenever it appoints employees, consultants or experts. (8) The Authority shall appoint a Secretary on such terms and conditions as it deems fit. PART III POWERS AND PROCEEDINGS OF THE AUTHORITY 15.- (1) Subject to the provisions of this Act, the Authority shall have power to do all things which are necessary for or in connection with the performance of its functions or to enable it to discharge its duties. General powers (2) Without limiting the powers conferred under subsection (1), the Authority shall also have the following powers (a) such powers as may be conferred on it by sector legislation; (b) the power to appoint an administrator to manage the business of a regulated supplier whose licence to operate has been cancelled as may be provided under sector legislation. 16.- (1) Subject to the provisions of sector legislation and licences Powers to granted under the legislation, the Authority shall carry out reviews of regulate rates and rates and charges. charges (2) In making any determination with regards to regulating rates and charges, the Authority shall take into consideration-