the date and time when the appeal is to be heard; (c) may determine the procedure to be followed; (d) may call upon any person who in his or her opinion is an expert on any matter relevant to the appeal, including any person who has experience in or knowledge of any matter referred to in section 6(4), to give assistance to the Review Board. (3) The Review Board may refuse the appeal and confirm the decision in question, or allow the appeal, either wholly or in part, and give such decision as the Board or executive committee should in its view have given, and amend the classification of the publication or film, specifying the clause of Schedule 1 or 6 upon which the classification is in terms of its decision based, and may impose other conditions in respect of the distribution or exhibition of the publication or film: Provided that the classification, as so amended, and the conditions so imposed, shall not be more restrictive than the classification or conditions appealed against. (4) The chief executive officer shall in the case of a successful appeal against a decision whereby an application for a permit or licence is refused, issue the requisite permit or licence, subject to the conditions, if any, imposed by the Review Board. (5) A decision of the Review Board shall for the purposes of this Act be deemed to be a decision of the Board. Appeal to Supreme Court 21. (1) If a publication or film has in terms of a decision referred to in section 20 been classified as XX or X18, the publisher or distributor of that publication or the person who applied for the classification of that film, may within a period of 30 days from the date on which he or she was notified of the decision in respect of the film, or within 30 days from the date on which the classification of the publication was published in the Gazette, appeal to the Supreme Court against that decision. (2) The Supreme Court may on good cause shown, suspend a decision with regard to a publication pending the outcome of the appeal. (3) The Supreme Court may confirm the decision appealed against or may set that decision aside, and give such decision, make such classification and impose such conditions as should in its view have been given, made or imposed. (4) A decision of the Supreme Court shall for purposes of this Act be deemed to be a decision of the Board. CHAPTER 6 Exemptions: Publications and Films Exemption of persons from certain sections, and exclusions from application of this Act 22. (1) The executive committee may on receipt of an application in the prescribed form, subject to such conditions as it may deem fit, exempt in writing any person or institution from sections 25, 27 and 28 if it has good reason to believe that bona fide purposes will be served by such an exemption.