4.—(1) In a case to which paragraph (2) applies, regulation 12 of the 1998 Regulations continues to have effect as it had effect immediately before the amendments made by regulation 2 of these Regulations came into force.
(2) This paragraph applies in a case where—
(a)a person was issued with a voucher in accordance with regulation 9, 10 or 11 of the 1998 Regulations during the period beginning on 1st November 2015 and ending on 31st March 2017;
(b)that voucher has not been accepted before that date; and
(c)but for the application of this regulation, that person would cease to be eligible to present that voucher by virtue of the amendment made to regulation 8 of the 1998 Regulations by regulation 2 of these Regulations.