[Sub-para. (v) substituted by s. 26 (a) of Act 125 of 1992.] (4) Without prejudice to any method available by law for the proof of orders of the tribunal, a document purporting to be a copy of any such order and to be certified by the Registrar to be a true copy thereof shall in any legal proceedings be sufficient evidence of the order unless the contrary is proved. (5) The Registrar shall act as the registrar of the tribunal. (6) Any reference in this Chapter to the giving of an opportunity to any person of presenting his case shall be construed as a reference to the giving to that person of the opportunity of submitting representations in writing and of being heard. [Sub-s. (6) added by s. 26 (b) of Act 125 of 1992.] 30 General provisions as to jurisdiction of tribunal Subject to the provisions of this Chapter, the function of the tribunal shall be to determine disputes arising between licensing bodies, or other persons from whom licences are required and persons requiring licences, or organizations claiming to be representatives of such persons, either(a) on the reference of a licence scheme to the tribunal; or (b) on the application of a person requiring a licence either in accordance with a licence scheme or in a case not covered by a licence scheme. [S. 30 substituted by s. 27 of Act 125 of 1992.] 31 Reference of licence schemes to tribunal (1) Where at any time while a licence scheme is in operation a dispute arises with respect to the scheme between the licensing body operating the scheme and(a) an organization claiming to be representative of persons requiring licences in cases of a class to which the scheme applies; or (b) any person claiming that he requires a licence in a case of a class to which the scheme applies, the organization or person in question may refer the scheme to the tribunal in so far as it relates to cases of that class. Source: http://www.wipo.int/portal/es/