(1) This regulation applies if:
(a) the fee mentioned in item 2 in Schedule 4 is not paid on the day when it is payable; and
(b) within 1 month after the day the request is made, the Registrar invites the applicant to pay the fee within 7 days after the day of the invitation; and
(c) the fee is not paid within that 7 - day period.
(2) The request is taken not to have been filed.