Part 3

Mergers
Chapter 5

Supplementary

Investigation powers

Attendance of witnesses and production of documents etc.
109
A1
For the purposes of this section, the permitted purposes are the following—
a
assisting the CMA in carrying out any functions, including enforcement functions, exercisable by it under or by virtue of this Part in connection with a matter that is or has been the subject of a reference or possible reference under section 22
, 33, 68B or 68C
;
b
assisting the CMA or the Secretary of State in carrying out any functions, including enforcement functions, of the CMA or (as the case may be) the Secretary of State under or by virtue of this Part in connection with a matter that is or has been the subject of a reference or possible reference under section 45 or 62
or a foreign state intervention notice under section 70A
.
1
The CMA may, for a permitted purpose, give notice to any person requiring him—
a
to attend at a time and at a place, or in a manner (which may be remote), specified in the notice; and
b
to give evidence to the CMA or a person nominated by the CMA for the purpose.
2
The CMA may, for a permitted purpose, give notice to any person requiring him—
a
to produce any documents which—
i
are specified or described in the notice, or fall within a category of document which is specified or described in the notice; and
ii
are in that person’s custody or under his control; and
b
to produce them at a time and place so specified and to a person so specified.
3
The CMA may, for a permitted purpose, give notice to any person who carries on any business requiring him—
a
to supply to the CMA such estimates, forecasts, returns or other information as may be specified or described in the notice; and
b
to supply it at a time and place, and in a form and manner, so specified and to a person so specified.
4
A notice under this section shall—
a
specify the permitted purpose for which the notice is given, including the function or functions in question; and
b
include information about the possible consequences of not complying with the notice.
5
The CMA, or any person nominated by it for the purpose, may for a permitted purpose take evidence on oath, and for that purpose may administer oaths.
6
The person to whom any document is produced in accordance with a notice under this section may, for a permitted purpose, copy the document so produced.
7
No person shall be required under this section—
a
to give any evidence or produce any documents which he could not be compelled to give or produce in civil proceedings before the court; or
b
to supply any information which he could not be compelled to supply in evidence in such proceedings.
8
No person shall be required, in compliance with a notice under this section, to go more than 10 miles from his place of residence unless his necessary travelling expenses are paid or offered to him.
8A
In subsection (A1), “
enforcement functions
” means—
a
in relation to the CMA—
i
functions conferred by virtue of section 87 on the CMA by enforcement orders;
ii
functions of the CMA in relation to the variation, supersession or release of enforcement undertakings or the variation or revocation of enforcement orders;
iii
functions of the CMA under or by virtue of section 75, 76, 83 or 92 in relation to enforcement undertakings or enforcement orders;
b
in relation to the Secretary of State—
i
functions conferred by virtue of section 87 on the Secretary of State by enforcement orders;
ii
functions of the Secretary of State in relation to the variation, supersession or release of enforcement undertakings or the variation or revocation of enforcement orders;
iii
functions of the Secretary of State under or by virtue of paragraph 5, 6 or 10 of Schedule 7 in relation to enforcement undertakings or enforcement orders.
9
Any reference in this section to the production of a document includes a reference to the production of a legible and intelligible copy of information recorded otherwise than in legible form.
10
In this section “the court” means—
a
in relation to England and Wales or Northern Ireland, the High Court; and
b
in relation to Scotland, the Court of Session.
S. 109 applied (20.6.2003) by 2000 c. 38, s. 18(6)(10)(11) (as substituted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 44(5); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 2000 c. 38, s. 12(B)(1)(5)(6) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 44(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 2000 c. 26, s. 19A(6)(10)(11) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 42(4); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 2000 c. 26, s. 15B(1)(5)(6) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 42(2); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by S.I. 1996/275 (N.I. 2), s. 15B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 36(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by S.I. 1994/426 (N.I. 1), s. 35(B)(1)(4)(5) as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 33(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1993 c. 43, Sch. 4A para. 15(2D)(2H)(2I) (as substituted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 30(15)(c); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 23; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (20.6.2003) by 1993 c. 43, Sch. 4A para. 10A(1)(5)(6) (as substituted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 30(15)(a); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 22; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S.109 applied (20.6.2003) by 1993 c. 43, s. 15C(2D)(2H)(2I) (as substituted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 30(6); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 19; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S.109 applied (20.6.2003) by 1993 c. 43, s. 13B(1)(5)(6) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 30(4); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 18; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S.109 applied (20.6.2003) by 2000 c. 8, Sch. 14 para. 2A(1)(5)(6) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 40(20)(b); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by S.I. 1992/231 (N.I. 1), art. 15B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 28(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1991 c. 56, s. 14B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 25(5); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 12; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (20.6.2003) by 1990 c. 42, Sch. 4 para. 4A(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 24(9)(e); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1989 c. 29, s. 56CB(1)(5)(6) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 20(12); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 10; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (20.6.2003) by 1989 c. 29, s. 14A(11F)(11I)(11J) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 20(6)(a); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1989 c. 29, s. 12B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 20(4); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1986 c. 44, s. 41EB(1)(5)(6) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 15(12); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 8; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (20.6.2003) by 1986 c. 44, s. 26A(11F)(11I)(11J) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 15(6)(a); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1986 c. 44, s. 24B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 15(4); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1986 c. 31, s. 44B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 14(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8))
S. 109 applied (20.6.2003) by 1984 c. 12, s. 13B(1)(4)(5) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 13(4); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 18; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (20.6.2003) by 1980 c. 21, s. 11B(1) (as inserted by Enterprise Act 2002 (c. 40), ss. 278, 279, Sch. 25 para. 10(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 2; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (1.10.2005) by 1991 c. 56, s. 17M(1) (as inserted by Water Act 2003 (c. 37), ss. 56, 105(3), Sch. 4 para. 2); S.I. 2005/2714, art. 2(h) (with Sch. para. 5); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 14; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (1.10.2005) by 1991 c. 56, s. 17Q(6) (as inserted by Water Act 2003 (c. 37), ss. 56, 105(3), Sch. 4 para. 2); S.I. 2005/2714, art. 2(h) (with Sch. para. 5); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 15; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (S.) (11.11.2005) by The Water Services etc. (Scotland) Act 2005 (Consequential Provisions and Modifications) Order 2005 (S.I. 2005/3172), arts. 5, 10(3)-(7) (as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 39; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (N.I.) (1.4.2007) by The Water and Sewerage Services (Northern Ireland) Order 2006 (S.I. 2006/3336 (N.I. 21)), arts. 1(2)(3), 23(1)(a), 27(6)(a) (with arts. 8(9), 121, 307); S.R. 2007/194, art. 2(2), Sch. 1 Pt. 2 (with Sch. 2) (as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 paras. 41, 42; S.I. 2024/1226, regs. 1(2), 2(1)(22)
S. 109 applied (with modifications) (20.6.2003) by The Enterprise Act 2002 (Protection of Legitimate Interests) Order 2003 (S.I. 2003/1592), art. 15, Sch. 3 para. 1(1)(o)(15) (as amended (1.4.2014) by The Enterprise Act 2002 (Protection of Legitimate Interests) (Amendment) Order 2014 (S.I. 2014/891), arts. 1, 18(1)-(17) (with arts. 20-23))
S. 109 applied (with modifications) (20.6.2003) by S.I. 1999/3088, reg. 8 (as substituted by The Enterprise Act 2002 (Consequential and Supplemental Provisions) Order 2003 (S.I. 2003/1398), art. 2, Sch. para. 36(3))
S. 109 applied (with modifications) (N.I.) (2.3.2004) by S.I. 1992/231 (N.I. 1), art. 17A(14)(a)(17)(18) (as inserted by The Energy (Northern Ireland) Order (S.I. 2003/419 (N.I. 6)), art. 36(2); S.R. 2004/71, art. 2, Sch.)
S. 109 applied (with modifications) (N.I.) (2.3.2004) by S.I. 1996/275 (N.I. 2), art. 17A(17)(a)(20)(21) (as inserted by The Energy (Northern Ireland) Order (S.I. 2003/419 (N.I. 6)), art. 37(2); S.R. 2004/71, art. 2, Sch.)
S. 109 applied (with modifications) (N.I.) (2.3.2004) by The Energy (Northern Ireland) Order (S.I. 2003/419 (N.I. 6)), arts. 39(2), 40(2), Sch. 2 para. 5; S.R. 2004/71, art. 2, Sch. (as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 36; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) (1.10.2004) by 1991 c. 56, s. 16B(6)(a)-(10) (as inserted by Water Act 2003 (c. 37), ss. 55(4), 105(3); S.I. 2004/2528, art. 2(h) (with art. 4, Sch.); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 13; S.I. 2024/1226, regs. 1(2), 2(1)(22))
Pt. 3 (ss. 22-130) modified (20.6.2003) by 1998 c. 41, Sch. 7 para. 20(3) (as substituted by Enterprise Act 2002 (c. 40), ss. 185, 279, {Sch. 11 para. 11(2)-(4)(8)}; S.I. 2003/1397, art. 2(1), Sch. (with art. 8)
Pt. 3 excluded in part (29.9.2008) by The Bradford & Bingley plc Transfer of Securities and Property etc. Order 2008 (S.I. 2008/2546), arts. 1(2), 40
Ss. 109-115 applied (with modifications) (1.1.2010) by Legal Services Act 2007 (c. 29), ss. 60(9), 211(2) (with ss. 29, 192, 193); S.I. 2009/3250, art. 2(c)(i) (as amended (1.4.2014) by S.I. 2014/892, art. 1(1), Sch. 1 para. 177 (with art. 3, Sch. 2 para. 2); and (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 31; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) (15.1.2012) by The Postal Services (Appeals to the Competition Commission) (Investigations and Extension of Time Limits) Order 2011 (S.I. 2011/2749), arts. 1, 3(a), 4 (as amended (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) (No. 2) Order 2014 (S.I. 2014/549), art. 1(1), Sch. 1 para. 45(3)(4) (with art. 3); and (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 44; S.I. 2024/1226, regs. 1(2), 2(1)(22))
Pt. 3 modified (1.7.2012) by Health and Social Care Act 2012 (c. 7), ss. 79, 306(4); S.I. 2012/1319, art. 2(3)
S. 109 applied (with modifications) (1.11.2012) by Health and Social Care Act 2012 (c. 7), s. 306(4), Sch. 10 para. 10(1)(a)(12); S.I. 2012/2657, art. 2(2)
S. 109 applied (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) (No. 2) Order 2014 (S.I. 2014/549), art. 1(1), Sch. 2 para. 3 (with art. 3)
Pt. 3 modified (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 4 para. 56; S.I. 2014/416, art. 2(1)(c) (with Sch.)
S. 109 modified by S.I. 2003/1592, art. 5A(e) (as inserted (1.4.2014) by The Enterprise Act 2002 (Protection of Legitimate Interests) (Amendment) Order 2014 (S.I. 2014/891), arts. 1, 7 (with arts. 20-23))
S. 109 applied (with modifications) by 1980 c. 21, s. 11B(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 36(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by 1986 c. 44, s. 41EB(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 51(3) (with art. 3, Sch. 2 para. 2; and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 8; S.I. 2024/1226, regs. 1(2), 2(1)(22)))
S. 109 applied (with modifications) by 1989 c. 29, s. 56CB(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 68(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 10; S.I. 2024/1226, regs. 1(2), 2(1)(22)))
S. 109 applied (with modifications) by 1991 c. 56, s. 14B(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 75(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 12; S.I. 2024/1226, regs. 1(2), 2(1)(22)))
S. 109 applied (with modifications) by 1991 c. 56, s. 16B(6A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 76(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 13; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by 1991 c. 56, s. 17M(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 78(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 14; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by 1991 c. 56, s. 17Q(6A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 79(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 15; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by 1993 c. 43, s. 13B(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 101(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by 1993 c. 43, s. 15C(2DA) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 102(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 19; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by 1993 c. 43, Sch. 4A para. 10A(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 111(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 22; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by 1993 c. 43, Sch. 4A para. 15(2DA) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 112(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by 2000 c. 38, s. 12B(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 150(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by 2000 c. 38, s. 18(6A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 151(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by 2012 c. 7, Sch. 10 para. 10(2A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 195(4) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 1992/231 (N.I. 1), art. 15B(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 213(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 1992/231 (N.I. 1), art. 17A(14A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 214(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 1996/275 (N.I. 2), art. 15B(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 218(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 1996/275 (N.I. 2), art. 17A(17A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 219(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 2003/419 (N.I. 6), Sch. 2 para. 5(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 243(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 2005/3172, art. 5(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 245(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 38; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by S.I. 2005/3172, art. 10(3A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 246(3) (with art. 3, Sch. 2 para. 2))
S. 109 applied (with modifications) by S.I. 2006/3336 (N.I. 21), art. 23(1A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 250(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 41; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109 applied (with modifications) by S.I. 2006/3336 (N.I. 21), art. 27(6A) (as inserted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 251(3) (with art. 3, Sch. 2 para. 2); and as amended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 42; S.I. 2024/1226, regs. 1(2), 2(1)(22))
S. 109(A1) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(2), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
S. 109(8A) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(9), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Words in s. 109(1) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(3), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Words in s. 109(2) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(4), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Words in s. 109(3) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(5), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Words in s. 109(4) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(6), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Words in s. 109(5) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(7), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Words in s. 109(6) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 29(8), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.) (with a saving in S.I. 2014/549, Sch. 2 para. 6)
Word in s. 109(1)(b) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 3 (with art. 3)
Words in s. 109(3)(a) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 143 (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
Pt. 3 modified (31.12.2020) by The Competition (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/93), reg. 1(1), Sch. 4 paras. 28-33; 2020 c. 1, Sch. 5 para. 1(1)
Pt. 3 excluded (28.6.2022) by 1992 c. 13, s. 56A(9B) (as inserted (E.W.) by Skills and Post-16 Education Act 2022 (c. 21), ss. 23(2)(f), 36(2))
Pt. 3 excluded (28.6.2022) by 1992 c. 13, s. 56E(9B) (as inserted (E.W.) by Skills and Post-16 Education Act 2022 (c. 21), ss. 23(3)(f), 36(2))
Pt. 3 modified (1.7.2022) by 2006 c. 41, s. 72A (as inserted by Health and Care Act 2022 (c. 31), ss. 83(1), 186(6); S.I. 2022/734, reg. 2(a), Sch. (with regs. 13, 29, 30))
Words in s. 109(A1)(a) substituted (26.10.2023) by Energy Act 2023 (c. 52), s. 334(2)(j), Sch. 16 para. 27
Pt. 3 applied (with modifications) (29.12.2004) by Water Industry Act 1991 (c. 56), Sch. 4ZA paras. 1, 2 (as inserted by Enterprise Act 2002 (c. 40), ss. 70(2), 279, Sch. 6); S.I. 2004/3233, art. 2, Sch. (with transitional provisions and savings in arts. 3-5)
Pt. 3 (ss. 22-130) applied (1.10.2005) by Water Industry Act 1991 (c. 56), s. 17M(4) (as inserted by Water Act 2003 (c. 37), ss. 56, 105(3), Sch. 4 para. 2); S.I. 2005/2714, art. 2(h) (with Sch. para. 5)
Pt. 3 applied (1.10.2005) by Water Industry Act 1991 (c. 56), s. 17Q(9) (as inserted by Water Act 2003 (c. 37), ss. 56, 105(3), Sch. 4 para. 2); S.I. 2005/2714, art. 2(h) (with Sch. para. 5)
Pt. 3 applied in part (N.I.) (1.4.2007) by The Water and Sewerage Services (Northern Ireland) Order 2006 (S.I. 2006/3336 (N.I. 21)), arts. 1(2)(3), 23(4), 27(9); S.R. 2007/194, art. 2(2), Sch. 1 Pt. 2 (with Sch. 2)
Words in s. 109(A1)(b) inserted (24.5.2024) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(2)(a), Sch. 7 para. 4(5) (with s. 130(2)(3))
Pt. 3 modified (E.W.) (29.12.2004) by The Water Mergers (Modification of Enactments) Regulations 2004 (S.I. 2004/3202), regs. 2-35 (as amended (1.4.2014) by S.I. 2014/549, art. 1(1), Sch. 1 para. 22 (with art. 3); (18.12.2015) by S.I. 2015/1936, regs. 1, 3-20; (6.12.2023) by S.I. 2023/1185, arts. 1(2), 9-27); and (23.8.2024) by S.I. 2024/840, regs. 1(1), 3-7; and (1.1.2025) by S.I. 2024/1234, regs. 1(1), 3-10 (with reg. 11))
S. 109 power extended (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), ss. 319, 339(1); S.I. 2024/1226, regs. 1(2), 2(1)(4)
Words in s. 109(1)(a) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), ss. 142(5), 339(1); S.I. 2024/1226, regs. 1(2), 2(1)(2)