Act 769 National Communications Authority Act, 2008 (ii) (i) (m) (n) (o) (p) (q) (r) (s) (t) (u) (v) (w) amongst users and operators in respect of rates, billings and services provided and facilitate relief where necessary amongst the users and operators; (iii) in the event of the failure to obtain redress from providers of public communications services, and (iv) in respect of interconnection sharing facilities and utility installations; carry out on its own initiative or at the request of a person, investigations in relation to a person whose conduct is in contravention of this Act; establish quality of service indicators and reporting requirements for operators and service providers; certify and ensure the testing of communications equipment for compliance with .•. (i) international standards; and (ii)environmental health and safety standards including electromagnetic radiation and emissions; ensure the systematic implementation of policy directives of the Minister and of communications policies in the country; obtain requisite information from any person for purposes of the performance of its functions; when designated by the Minister, represent the Republic at international fora; issue guidelines and standards from time to time; support the implementation of the Universal Access Policy, encourage high standards of propriety within the Authority and promote the efficiency and effectiveness of the staff of the Authority; establish a policy and resource framework for the operation of the Authority in line with the overall strategic plan of the Authority; ensure that the principles of good corporate governance are complied with at all times; establish and manage a national numbering plan for network and application services; 5