C1Pt. III (ss. 57-74) extended (E.W.) by Electricity Act 1989 (c. 29, SIF 44:1), s. 112(1)(3), Sch. 16 para. 1(1)(xxvii), Sch. 17 paras. 33, 35(1)

C2Pt. III (except ss. 70(2)(3)(5), 71(1)): certain functions transferred (7.8.1991) by S.I. 1991/1773, art. 8(1)(3), Sch. 2

Pt. III (except ss. 70(2)(3)(5), 71(1)) modified (7.8.1991) by S.I. 1991/1773, art. 8(2)(3), Sch. 2

C3Pt. III (except ss. 70(2)(3)(5), 71(1)): certain functions transferred (10.1.1992) by S.I. 1991/2913, art. 8(1)(3), Sch. 2

Pt. III (except ss. 70(2)(3)(5), 71(1)) modified (10.1.1992) by S.I. 1991/2913, art. 8(2)(3), Sch. 2

C4Pt. III modified in part (6.4.2010) by The Cornwall Port Health Authority Order 2010 (S.I. 2010/1215), arts. 1(1), 4, Sch. (with art. 2)

C5Pt. III modified in part (E.) (6.4.2010) by The Bristol Port Health Authority Order 2010 (S.I. 2010/1214), arts. 1, 4, Sch.

C6Pt. III modified in part (6.4.2010) by The Cowes Port Health Authority Order 2010 (S.I. 2010/1216), arts. 1(1), 4, Sch.

C7Pt. III modified in part (6.4.2010) by The Southampton Port Health Authority Order 2010 (S.I. 2010/1218), arts. 1(1), 4, Sch.

C8Pt. III modified in part (6.4.2010) by The Portsmouth Port Health Authority Order 2010 (S.I. 2010/1217), arts. 1(1), 4, Sch.

C9Pt. III applied (with modifications) (E.) (24.3.2011) by The Hull and Goole Port Health Authority Order 2011 (S.I. 2011/939), arts. 1(1), 9, Sch. 2

C10Pt. III functions transferred and modified (E.) (14.6.2016) by The River Tees Port Health Authority Order 2016 (S.I. 2016/644), arts. 1(1), 9, Sch. 2

C11Pt. III functions transferred and modified (E.) (31.3.2017) by The Weymouth Port Health Authority Order 2017 (S.I. 2017/558), arts. 1(1), 9, Sch. 2 (with art. 9(3))

F1Ss. 63-67 repealed (S.) (30.6.2014) by Regulatory Reform (Scotland) Act 2014 (asp 3), s. 61(2), Sch. 3 para. 16(2)(o); S.S.I. 2014/160, art. 2(1)(2), Sch.Ss. 63-67 omitted (E.W.) (1.10.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(7), Sch. 13 para. 11; S.I. 2015/1732, art. 2(f)

F1Ss. 63-67 repealed (S.) (30.6.2014) by Regulatory Reform (Scotland) Act 2014 (asp 3), s. 61(2), Sch. 3 para. 16(2)(o); S.S.I. 2014/160, art. 2(1)(2), Sch.Ss. 63-67 omitted (E.W.) (1.10.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(7), Sch. 13 para. 11; S.I. 2015/1732, art. 2(f)

F1Ss. 63-67 repealed (S.) (30.6.2014) by Regulatory Reform (Scotland) Act 2014 (asp 3), s. 61(2), Sch. 3 para. 16(2)(o); S.S.I. 2014/160, art. 2(1)(2), Sch.Ss. 63-67 omitted (E.W.) (1.10.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(7), Sch. 13 para. 11; S.I. 2015/1732, art. 2(f)

F1Ss. 63-67 repealed (S.) (30.6.2014) by Regulatory Reform (Scotland) Act 2014 (asp 3), s. 61(2), Sch. 3 para. 16(2)(o); S.S.I. 2014/160, art. 2(1)(2), Sch.Ss. 63-67 omitted (E.W.) (1.10.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(7), Sch. 13 para. 11; S.I. 2015/1732, art. 2(f)

F1Ss. 63-67 repealed (S.) (30.6.2014) by Regulatory Reform (Scotland) Act 2014 (asp 3), s. 61(2), Sch. 3 para. 16(2)(o); S.S.I. 2014/160, art. 2(1)(2), Sch.Ss. 63-67 omitted (E.W.) (1.10.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(7), Sch. 13 para. 11; S.I. 2015/1732, art. 2(f)