Certifeate of registration

(1) A dealer registererl under section 8 shall he ranted 2 certidcate of registration im such form as may be preseribed : Teovided thot the Commissioner may, for good and sufficient teasgons, demand frem a dealer who has boon registered or a fiom who bis applied for cesiiration under section 8(2) or a person who has been required fu tot himself registered under section 5(4), reasunable sceuriiy for prop cp parment of the tax: Provided further that such dealer, firm or person shall he given an opportunity te present his or their cane to the Cormmissioner before any arzount is Tealised as security. (2) The Commissioner may, on pelition or otherwise, cancel at any time amy ecrtifieate of registration 17 he is satisfied that (a) the business in respect af ehich the eeriificate was iissned has been discontinued or transferred, or (b) the liahility to pay tex im respect of guch business as eeased wider thir Aet.