Modifications etc. (not altering text)
C1Power to extend Sch. 3 given by Agriculture Act 1967 (c. 22), s. 36(5) and Agriculture Act 1970 (c. 40), s. 30(1)
C2Sch. 3 extended by S.I. 1968/704
(i)E+WHeating, hydraulic or electric power apparatus for buildings, and engines, pumps, lifts, rams, boilers, flues, and other works required or used in connexion therewith: