is changed, the proprietor of such broadcasting or re-broadcasting service shall lodge a notice of such change or acquisition with the Secretariat, and subject to the provisions of subsections (2) to (4), the Secretariat shall cause to be made such correction in the register as may be necessary. (2) The Secretariat shall refer, a notice of change or acquisition submitted to it under subsection (1), to the Chairman of the Board for his or her consideration and approval before any correction is made in the register. (3) Where the Chairman of the Board, after considering any notice of change or acquisition referred to him or her under subsection (2), is of the opinion that such change or acquisition, as the case may be, would be detrimental to the development of the broadcasting sector, he or she shall refer the matter to the Board for its decision. (4) The Board may­ (a) approve the change or acquisition, in which case, it shall cause the Secretariat to make the necessary correction in the register; or (b) refuse to approve of the change or acquisition and revoke the licence of the licensee. (5) Every return and notice mentioned in this section, except a notice in relation to the change in name of any broadcasting or re-broadcasting service, shall be signed by every person therein named. (6) Any person who­ (a) knowingly lodges or causes to be lodged with the Secretariat any return or notice under this section which is false in any material particular; or (b) carries out any broadcasting or re-broadcasting activities in contravention of this section, shall be guilty of an offence. (7) For the purposes of this section the Board shall cause to be established and maintained a register of licensees wherein shall be entered every return made under this section. 16. Production of broadcasting licences Every person required to be in possession of a broadcasting or re-broadcasting licence in accordance with the provisions of this Part shall produce the licence for inspection on demand by any person authorised thereto by the Board. 17. Revocation of licences or refusal to renew licences (1) Where a licensee has failed to comply with any material condition included in his or her licence or has defaulted in payment of any fees imposed under this Part, the Board may by Copyright Government of Botswana