The Severn Bridge Tolls (Amendment) Order 1973
The Secretary of State for the Environment makes this Order in exercise of powers conferred by section 2 of the Severn Bridge Tolls Act 1965(a) and now vested in him(b) and of all other enabling powers :-

(a) 1965 c. 24.  (b) S.I. 1970/1681 (1970 III, p. 5551).  (c) S.I. 1966/813  (d) 1889 c. 63.