(a) the expiration of the term specified in the licence, if not otherwise renewed pursuant to section 25; (b) the happening of an event or circumstance which according to the terms of the licence causes it to terminate; (c) a renunciation of the licence by the operator; (d) the revocation of the licence; (e) the insolvency, liquidation or bankruptcy of the licensee, or an assignment for the benefit of creditors; or (f) the licence being cancelled or revoked under section 29 or 31, as the case may be. PART III - TERMS AND CONDITIONS OF INFORM-ATION AND COMMUNICATIONS LICENCES Principles of licence conditions 29. A condition imposed with regard to the operation of electronic communication networks or the provision of electronic communication services must be non discriminatory, proportionate, and trans-parent and must be justified in relation to the targeted network or service. Procedures governing licences 30. (1) The procedures by which information and communications licences are governed are- (a) this Act, and any other regulation issued by the Authority; (b) sector policies; and (c) prevailing market conditions. (2) An authorized entity shall, in addition to complying with the provisions of this Act, regulations made under this Act and the terms 50