34 CAP. 401] Trade Marks person gives notice to the Registrar in the prescribed manner of opposition to the application, the Registrar shall, after hearing the parties if so required, decide the matter. (3) An appeal shall1ie from any decision of the Registrar under this section. (4) Where leave as aforesaid is granted, the trade mark as altered shall be advertised by the proprietor in the prescribed manner, unless it has already been advertised, in the fonn to which it has been altered, in an advertisement under subsection (2). Adaptation of entries in rezister to amended or substituted classification of goods 41. (I) The Minister may from time to time make such regulations, prescribe such forms and generally do such things as may be expedi­ ent, for empowering the Registrar to amend the register, whether by making or expunging or varying entries therein, so far as may be req­ uisite for the purpose of adapting the designation therein of the~~od~_ ~o~_c-',!sses of g~C?c:Is in respect of which ~,!!~ks are registered to any amended or substituted classification that may be prescribed. (2) The Registrar shall not, in exercise of any power conferred on him for the purpose aforesaid, make any amendment of the register that would have the effect of adding ~n.YJ1!0ods or classes of goo~ to those in~sp~c;;tQt.Yv.~~..!:!-a tr~e~!. is registered (whether in one or more classes) immediately before the amendment is to be made or of ante-dating the registration of a trade mark in respect _of any goods: ~ -- -. - - ­ Provided that this subsection shall not have effect in relation to goods as to which the Registrar is satisfied that compliance with this­ - subsection in relation thereto would involve undue complexity and that the addition or ante-dating, as the case may be, would not affect any substantial quantit)' of goods and would not substantially preju­ dice the rights of any person.---~ (3) A proposal for the amendment of the register for the purpose aforesaid shall be notified to the registered proprietor of that trade --ill¥k affected, shall be subject to appeal by the registered proprietor to the High Court shall be advertised by the proprietor with any mod­ ifications, and may be opposed before the Registrar by any person aggrieved on the ground that the proposed amendment contravenes the provisions of subsection (2), and an appeal shall lie from any decision of the Registrar on any such opposition. PART IX CERTIFICATION TRADE MARKS Certification trade marks 42. (I) A mark adapted in relation to any goods to distinguish in the course of trade goods certified by any person in respect of origin, material, mode of manufacture, quality, accuracy or other character­