Modifications etc. (not altering text)
C1Pt. IV: power to apply conferred (1.12.1991) by Water Resources Act 1991 (c. 57, SIF 130), ss. 78(2)(b), 225(2).
C2Pt. IV saved (1.12.1991) by Statutory Water Companies Act 1991 (c. 58, SIF 130), ss. 1(4), 17(2).
Modifications etc. (not altering text)
C3Pt. 4 Ch. 3 (ss. 118-141) amended (27.8.1993) by 1993 c. 12, ss. 40, 51(2), Sch. 3 Pt. I para. 8 (with ss. 42, 46).
Pt. 4 Ch. 3 (ss. 118-141) modified (1.2.1996) by 1995 c. 25, s. 5 (with ss. 7(6), 115, 117); S.I. 1996/186, art. 2
Pt. 4 Ch. 3 (ss. 118-141): transfer of functions (1.4.1996) by 1995 c. 25, s. 2(2)(b) (with ss. 7(6), 115, 117); S.I. 1996/186, art. 3
C4Pt. 4 Ch. 3 modified by S.I. 2010/675, Sch. 23 Pt. 8 para. 3 Table 9 (as substituted (1.10.2011) by The Environmental Permitting (England and Wales) (Amendment) Regulations 2011 (S.I. 2011/2043), reg. 1(b), Sch. 1)
C5Pt. 4 Ch. 3 modified (1.1.2017) by The Environmental Permitting (England and Wales) Regulations 2016 (S.I. 2016/1154), reg. 1(1), Sch. 23 paras. 1(3), 2 Table 9 (with regs. 1(3), 77-79, Sch. 4)
Any meter or apparatus provided in pursuance of this Chapter in any trade premises for the purpose of measuring, recording or determining the volume, rate of discharge, nature or composition of any trade effluent discharged from those premises shall be presumed in any proceedings to register accurately, unless the contrary is shown.