12.—(1) Paragraph 3(1)(a) and (b) of Schedule 7 shall not apply in relation to a meter installed before (and not moved since) the day appointed for the coming into operation of that Schedule until, in the case of sub-paragraph (b)—N.I.
(a)electricity is supplied through the meter in pursuance of a notice given under Article 19(2) more than 12 months after that day; or
(b)the period of 10 years beginning with the date of that day expires,
whichever first occurs.
(2) Paragraph 13(2) of Schedule 7 shall not prevent a pre-payment meter from being used as mentioned in that sub-paragraph under an agreement made before the day appointed for the coming into operation of that Schedule.