Modifications etc. (not altering text)
C1Pt. II amended by Health and Safety at Work, etc. Act 1974 (c. 37), s. 76(1)(2)
C2Pt. II (ss. 14–90) amended by Housing and Building Control Act 1984 (c. 29, SIF 61), ss. 41(1), 52(1) and 60(2)(a)
Modifications etc. (not altering text)
C3S. 20 repealed by Water Act 1989 (c. 15, SIF 130), s. 190(3), Sch. 27 Pt. I (with ss. 58(7), 101(1), 141(6), 160(1)(2)(4), 163, 189(4)–(10), 190, 193(1), Sch. 26 paras. 3(1)(2), 13(3), 17, 40(4), 41(1), 57(6), 58)