The Authority may require a licensee, special licensee, authorization holder or any other person, to supply information, including specific answers to questions submitted to the licensee, special licensee,

authorization holder or that other person, concerning

(a) an electronic communications network,

(b) the use of the spectrum for which the licence, special licence or the frequency authorization has been granted,

(c) the operation of equipment or works carried out in relation to the network,

(d) the use of the licensee's or special licensee's electronic communications network or service,

(e) operational and financial information, or

(f) other information the Authority may consider relevant.