36. For the purposes of paragraph (b) of section 91 of the Traffic Act (which section specifies the cases in which a fee paid on an application for an appointment for a test may be repaid) notice cancelling an appointment—
(a)for a practical or unitary test to be conducted by a DSA examiner must be given to the Secretary of State not less than ten clear working days before the day for which the appointment is made;
(b)for a theory test to be conducted by an appointed person must be given not less than three clear working days before the day for which the appointment is made.