Sch 2 para 5 Active electrical energy meters
An active electrical energy meter for use for trade which was— (a) of a pattern or construction approved before 30th October 2006 by or under regulations made under paragraph 2 of Schedule 7 to the Electricity Act 1989 , where such approval has not been revoked under regulations so made; and (b) before 30th October 2016,— (i) certified under paragraph 5 of that Schedule or excepted from the requirement for certification under paragraph 2(2) of that Schedule; and (ii) placed on the market.