(13) A party may be heard at the hearing only if the party provides the registrar with a notice in Form 31 at least seven days before the date of the hearing. (14) At the hearing no evidence other than the evidence provided by statutory declaration or affidavit may be introduced without the leave of the registrar. (15) The registrar shall give each party a written notice of the decision together with written reasons within thirty days from the date of hearing. (16) If there is more than one person opposing the application, the registrar may provide for the objections to be dealt with at the same hearing. 49. Procedure where registrar rejects application and where there is no opposition to application. (1) Where the registrar proposes to reject the application, the registrar shall send a written notice to the applicant explaining the reasons for proposing to refuse to register the industrial design and inviting the applicant to do one of the following within sixty days after the date of the invitation— (a) submit written submissions; or (b) request a hearing. (2) Where the registrar has sent a notice under subregulation (2), the registrar shall not make his or her decision as to whether or not to register the industrial design until— (a) if the applicant requests a hearing, after holding the hearing; (b) if the applicant submits observations, after considering the observations; or 234