12.—(1) Any person who is aggrieved by the refusal of a test certificate or the grounds thereof may appeal to the Registrar within 24 hours from the time of the notification of such refusal or grounds.
(2) Every appeal shall be made on a form approved by the Registrar and shall contain the particulars required by that form.
(3) As soon as is reasonably practicable after the receipt of the appeal, the Registrar shall send a notice to the appellant stating where and when an examination for the purposes of the appeal is to take place.