F18[12.—(1) The Commission may appoint persons to be authorised officers for the purposes of this section.

(2) The Commission shall provide each person appointed under subsection (1) with a certificate of appointment.

(3) When exercising a power conferred by this section, an authorised officer shall, if asked to do so by the person in relation to whom the power is being exercised, produce the certificate to the person for inspection.

(4) For the purposes of obtaining information necessary for the performance of the Commission’s functions under this Act, an authorised officer may do all or any of the following:

(a) enter at any time the premises of a provider of telecommunications services for the purpose of exercising powers conferred by this section;

(b) require any provider of telecommunications services to produce records relating to the provision of telecommunications services that are within the provider’s power or control and to provide the officer with such information as the officer may reasonably require in relation to any entries in the records;

(c) inspect or take copies of any such records or any of their contents;

(d) require a provider of telecommunications services mentioned in paragraph (a) to provide the officer with such information as the officer may reasonably require with respect to the provision of telecommunications services;

(e) make such inspections, tests and measurements of machinery, apparatus and other equipment on the premises as the officer considers appropriate. ]