National Communication Act No. 24 (4) 54. Notwithstanding the provision of sub-section (1) of this section, the Authority shall direct operators to share their infrastructure where it is in the public interest to do so. Anti-Competitive Practices. (1) A Licensee shall not engage in anti-competitive practices and shall desist from participating in the prohibited activities that are specified in the regulations issued under this Act. (2) The Authority shall take necessary measures to restrain anti-competitive practices by Licensees according to regulations issued pursuant to this Act. CHAPTER VIII MANAGEMENT, ALLOCATION AND MONITORING OF FREQUENCY AND SPECTRUM 55. 56. Frequency and Spectrum Control. (1) The Authority shall, in collaboration with interested stakeholders, design necessary charts, tables, plans, and records for controlling the use and allocation of frequencies and frequency bands for all purposes inside South Sudan. (2) The Authority shall establish fixed and mobile stations and develop means and facilities for monitoring the use of frequency spectrum throughout the country and shall take immediate measures to stop harmful effects and un-Licenced users. (3) The Authority shall have the right to revise, amend or allocate frequencies and frequency bands and to reallocate them as the need arises. Licensing, Renewal and Cancellation. (1) No person shall use any frequency, frequency band or electromagnetic waves except under a Licence duly issued by the Authority. (2) Applications for frequency and frequency band shall be submitted in accordance with the procedures and forms prescribed in the regulations made pursuant to this Act. (3) The validity of Licences, allocation of frequencies or frequency bands shall be for a period of one (1) year but the Authority may renew such Licences, frequencies or frequency bands upon payment of the prescribed fees. (4) Application for renewal shall be submitted to the Authority at least thirty days prior to the expiry date of the valid Licence. (5) The Authority may cancel the Licence, frequency or frequency band under any of the following situations: 30