The Motor Vehicles (Dim-Dip Lighting Devices) Regulations 1983
The Secretary of State for Transport, in exercise of the powers conferred by section 40(1), (2A), and (3), of the Road Traffic Act 1972(a) and now vested in him (b) and of all other enabling powers, and after consultation with representative organisations in accordance with the provisions of section 199(2) of the said Act of 1972, hereby makes the following Regulations:—

(a) 1972 c. 20; section 40 of which Act has been amended by section 9(1) and (2) of the Road Traffic Act 1974 (c. 50).
(b)...