evidence or giving evidence before him. 61 Registrar may award costs (1) The Registrar may award costs against any party to any proceedings before him and in favour of any other party to those proceedings. (2) If any party to proceedings before the Registrar is resident outside Zimbabwe or has no immovable property therein, the Registrar may, on the application of any other party to the proceedings, order that security to the satisfaction of the Registrar be lodged or given by the first-mentioned party in respect of any costs which may be awarded against him in those proceedings and may refuse, until such security has been lodged or given, to permit such proceedings to be continued. (3) Unless otherwise agreed between the parties, any costs awarded in terms of subsection (1) shall be taxed by the Registrar in accordance with the provisions prescribed in respect of the awarding of costs in terms of subsection (1), and any such costs may be recovered by action in a Court of competent jurisdiction. (4) An appeal shall lie from any decision of the Registrar made under the provisions of this section. 62 Advertisements to be approved by Registrar No advertisement or notice, other than a notice issued under the authority of the President or the Minister, shall be published by any person under this Act unless the Registrar has approved the form and contents of such advertisement or notice, and no advertisement or notice which has not been so approved shall have any force or effect for the purposes of this Act. PART IX PATENT AGENTS 63 Patent agents and their functions (1) Subject to this Act, a patent agent may act as agent on behalf of any person in connection with any matter or proceeding before the Registrar under this Act and may draw and sign all documents and make all communications between an applicant and the Patent Office and may represent an applicant at all attendances before the Registrar. (2) A patent agent shall not be guilty of an offence under the provisions of any enactment prohibiting the preparation for reward of certain documents by persons not legally qualified by reason only of the preparation or signature by him of any document relating to patents for use in the Patent Office or required in any proceedings under this Act before the Registrar or the Tribunal. 64 Qualification and registration of patent agents (1) The Registrar shall— (a) keep a Register of Patent Agents in which the name of every person, immediately upon his being accepted for registration, shall be registered, showing against his name such particulars as the Registrar shall from time to time deem necessary; and (b) enter in such Register of Patent Agents all changes relating to registrations. (2) Any person ordinarily resident in Zimbabwe who— (a) has served such period of articles as may be prescribed and has passed the prescribed qualifying examinations; or (b) has passed the prescribed qualifying examinations and produces proof that he is a member in good standing of The Chartered Institute of Patent Agents incorporated by Royal Charter on the 11th August, 1891; or (c) produces proof that he holds a qualification recognized by the Minister as being equivalent to the qualifications required for the purposes of paragraph (a) or (b); may make application to the Registrar in the prescribed manner to be registered as a patent agent, and the Registrar shall arrange such registration if he is satisfied that there is no good reason why it should not be arranged and that the applicant is not a