14 (b) by means of a false representation or the concealment of a material fact, procures or attempts to procure registration or a certificate of registration for himself or another person; or (c) makes or causes to be made in connection with an application for registration a false declaration in a document used for the purpose of establishing his identity or qualifications; or (d) wilfully destroys or injures or renders illegible or causes to be destroyed, injured or rendered illegible an entry in the Register; or (e) without the permission of the holder, wilfully destroys, injures or renders illegible or causes to be destroyed, injured or rendered illegible a certificate of registration; or (f) forges or utters, knowing the same to be forged, a document purporting to be a certificate of registration; shall be guilty of an offence and liable to a fine not exceeding ten thousand dollars or to imprisonment for a period not exceeding one year or to both such fine and such imprisonment. PART V CANCELLATION OF REGISTRATION, DISCIPLINARY INQUIRIES AND PENALTIES 29 Cancellation of registration Without derogation from subsection (1) of section thirty-two, the Council— (a) shall direct the Registrar to cancel the registration of any social worker who has died or who, in the Council’s opinion, has become mentally or physically disabled to such an extent that it would be contrary to the public interest for him to continue to practise as a social worker; or (b) may direct the Registrar to cancel the registration of any social worker who applies to the Registrar in writing for his registration to be cancelled, if the Council is satisfied that no disciplinary or criminal proceedings are being, or are likely to be, instituted against the applicant in connection with the practice of his profession; (c) may direct the Registrar to cancel any entry in the Register which is proved to the satisfaction of the Council to have been made in error, whether the error arose through fraud, false representation, the concealment of a material fact or in any other manner. 30 Return of certificate of registration on cancellation of registration (1) A person whose registration is cancelled in terms of section twenty-nine or any other provision of this Act shall return his certificate of registration to the Registrar within thirty days after being requested in writing to do so: Provided that, by written notice to the person concerned, the Council may dispense with this requirement if it is satisfied that he has lost his certificate or that the certificate has been destroyed. (2) Any person who, without lawful excuse, fails to comply with subsection (1) shall be guilty of an offence and liable to a fine not exceeding one thousand dollars or to imprisonment for a period not exceeding three months or to both such fine and such imprisonment.