32 (b) the name of the licensee; and (c) the date of issue and expiry of the licence; and (d) any terms and conditions subject to which the licence is issued; and (e) any other matters which the Authority considers necessary to give effect to this Act. (2) A licence shall be valid for such period, whether definite or indefinite, as may be determined by the Authority. 40 Register of licences (1) The Authority shall maintain or cause to be maintained a register of licences in which shall be recorded, in relation to each licence⎯ (a) the name of the licensee; and (b) the nature of the licence; and (c) any terms and conditions subject to which the licence was issued; and (d) any renewal, amendment, suspension or cancellation of the licence. (2) The register kept in terms of subsection (1) shall be open for inspection by members of the public at all reasonable times at the offices of the Authority on payment of the prescribed fee, if any. 41 Renewal of licence and annual licence fees (1) Subject to this Act, the holder of a licence may renew it before it expires. (2) An application for the renewal of a licence shall be made to the Authority in the form and manner and within the period prescribed, and be accompanied by the prescribed fee, if any. (3) Section thirty-seven shall apply, mutatis mutandis, to the renewal of licences. (4) The Authority may, in respect of the continuation of a current licence, require the licensee to pay a prescribed annual fee, which fee may be fixed as a proportion of the gross audited annual revenue of the licensee.15 42 Amendment of licence (1) Subject to this section, the Authority may at any time amend a licence or any term or condition of a licence— (a) to correct any error in the licence; or (b) if the licensee requests the amendment; or (c) if the Authority considers the amendment necessary to reflect the true nature of the service, system or business which the licensee is conducting; or (d) if for any other reason the Authority considers the amendment necessary or desirable in the public interest. (2) Before amending a licence in terms of subsection (1), otherwise than at the request of the licensee, the Authority shall notify the licensee in writing of the nature of the amendment it 15 Section substituted by s. 18 of Act 14/2002.