Electronic and Postal Communications (Radio communications and Frequency Spectrum) G.N. No. 424 (contd) (a) rollout commitments such as the scale and scope of the network rollout; (b) credibility of the applicant including the financial and technical capability of the applicant to operate the intent communication network; (c) how the applicant’s network rollout plans fit with the Authority’s band plan; and (d) public interest consideration. (5) The term of frequency user licence shall be the same as the duration specified in the network facilities licence. (6) Notwithstanding the provision of sub regulation (3), the validity of frequency user licence shall be subject to payment of annual frequency user licence fees. (7) The Authority shall ensure that the radio frequencies or spectrum allocated for use to a licensee are put into use within the period of twelve months from the date of grant of the licence . (8) Failure to use spectrum after the period specified under sub-regulation (5) the process of retrieving the allocated or assigned spectrum shall commence as specified in section 72 of the Act. (9) The Authority shall from time to time conduct spectrum audit to determine efficient and effective utilization of spectrum resources. (10) Spectrum or frequency channels assigned or allocated are concessions, therefore, they shall not be sold, transferred, leased or sublet either partially or wholly to a third party without prior written consent from the Authority. Review of frequency assignment, refarming or displacement of services and relocation of users 28.-(1) The Authority shall from time to time review the spectrum allocation plan with a view to phase out ageing technologies and obsolete radio equipment at the end of useful life as well as expiry of licence in order to free up spectrum bandwidths required for reallocation to emerging technologies and new services. (2) The Authority may carry out frequency reframing with a view to reallocate the spectrum in order to accommodate 138