(5) The time limit for appealing a decision by which the registrar rejects an application under section 30(2), (3), (4) or (5) of the Act is ninety days after the date of the notice of the rejection. 24. Examination as to substance. (1) A request for an application to be examined under section 31(2) of the Act shall be in Form 10. (2) Where an application is on the existing patent the examination shall take into account the existing patent and consider whether there are substantial improvements between the claim in the application and the patent. (3) Where the registrar submits the application for examination under section 31(4) of the Act, the registrar shall also submit— (a) the report of any search, within thirty days after the report is submitted to the registrar; (b) if priority is claimed, foreign documents relating to the invention; (c) an explanation as to whether the invention is patentable or not; and (d) any other document the registrar considers relevant. 25. Notification of refusal to grant patent. (1) The notification by the registrar of a refusal to grant a patent shall be made within fifteen days after the decision to refuse the application is made. (2) The notification shall be in Form 11 in Schedule. 26. Notification of grant of patent. (1) The notification by the registrar of a grant of a patent shall be made within fifteen days after the decision is made. (2) The notification shall be in Form 11 in Schedule. 221