Interpretation of instruments referred to in Schedule 1

3.  The instruments referred to in column (3) of Part I of Schedule 1 shall, for the purposes of these Regulations, have effect as if—

(a) a reference to a vehicle in category M1 were a reference to a vehicle described as M1 in Council Directive 70/156/EEC of 6th February 1970; and

(b) a reference to a vehicle in category L5 were a reference to a vehicle described as L5 in ECE Regulation 78 of 15th October 1988.