(1) For the purposes of these Regulations—
(a) a licence has “ceased to be in force” where it has been revoked under sections 26(1) or 27(1) or has been surrendered or otherwise terminated under the Goods Vehicles (Licensing of Operators) Act 1995 or any other enactment;
(b) “an earlier refund” is a refund payment made, before 1st April 2010, under regulation 4 of the principal Regulations as they had effect before the coming into force of these Regulations;
(c) the “effective date” of an earlier refund is to be determined in accordance with section A of Part 3 of the Schedule;
(d) subject to paragraph (4), “the monthly rate” is F÷N, where F is the relevant fee payment and N is the number of months in the relevant fee period;
(e) a “relevant fee payment ” is a payment made at the rate applicable before 20th April 2009 in respect of fee numbers (v) or (vi) in the Schedule to the principal Regulations as they had effect before that date;
(f) the “relevant fee period” is the period for which a relevant fee payment was payable in accordance with regulation 3(5) of the principal Regulations as they had effect before 20th April 2009.
(2) Subject to paragraphs (4), (5) and (6), a refund, calculated in accordance with the formula set out in Part 1 of the Schedule, is to be paid in respect of that part of any relevant fee payment which relates to any part of a relevant fee period occurring after 31st March 2010.
(3) Subject to paragraphs (4), (5) and (7), a refund, calculated in accordance with the formula set out in Part 2 of the Schedule, is to be paid in respect of that part of any relevant fee payment which relates to any part of a relevant fee period occurring after 31st March 2009 and before 1st April 2010.
(4) Where there has been an earlier refund, the monthly rate is to be adjusted, for the purpose of calculating the refund due under paragraph (2) or (3), as follows —
(a) the monthly rate is to be applied in full only to that part of the relevant fee period occurring before the effective date of the first or only earlier refund; and
(b) a deduction, or successive deductions, calculated in accordance with section B of Part 3 of the Schedule, is to be made to the monthly rate, for the period beginning on the effective date of each earlier refund and ending on the last day of the relevant fee period.
(5) Where there was an entitlement in respect of a relevant fee payment to a refund under regulation 4 of the principal Regulations, as they had effect before the coming into force of these Regulations, but none was made, before 1st April 2010, any refund paid in respect of that relevant fee payment under paragraph (2) or (3) is to discharge an equivalent amount of that earlier entitlement.
(6) Paragraph (2) does not apply where a licence has ceased to be in force before the coming into force of these Regulations.
(7) Where a licence has ceased to be in force before the coming into force of these Regulations payment of a refund under paragraph (3) is to be made only —
(a) if an application in writing for that refund has been made to a traffic commissioner ; and
(b) in respect of complete months in the period before the licence ceases to be in force or before the effective date of an earlier refund (if earlier).