132 No. 15 of 2009] Information and Communication Technologies contain the terms and conditions of the licence; and be valid for such period as may be prescribed. (2) The terms and conditions referred to under subsection (1) may relate to the rights and obligations in respect of interconnection access and facility sharing. Variation of licence 14. (1) A licensee may, at any time during the validity of the licence, apply to the Authority for variation of the terms and conditions of the licence or any matter relating to the licence. (2) The Authority shall consider the application referred to in subsection (1) and may grant or reject the application, and shall give reasons to the applicant where it rejects the application. (3) The Authority may vary the terms and conditions of a licence where— the variation is necessary in the public interest; or the variation is necessary to address the concerns of the members of the public or consumers. (4) The Authority shall, before making any variation of the terms and conditions of a licence under this section, give notice to the I icenceestating that it proposes to make variations in the manner specified in the notice; and specifying the time, not being less than thirty days from the date of service of the notice on the licencee, within which written representation in respect of the proposed variation may be made to the Authority by the licensee. Surrender of licence 15. (1) Where a licensee decides not to continue with any undertaking to which the licence relates, the licensee shall notify the Authority in writing and shall agree with the Authority on the terms and conditions of the surrender of the licence, with particular reference to anything done or any benefit obtained under the licence. (2) Where a licence is surrendered under sub section (1), the licence shall lapse, and subject to section eighteen, be cancelled and the licencee shall cease to be entitled to any benefits obtainable under the licence. Transfer of licence 16. (1) A licensee shall not transfer, cede, pledge, assign or otherwise dispose of, or encumber, a licence without the prior approval of the Authority.