Part 4

Market Studies and Market Investigations
Chapter 3

Enforcement

Supplementary

Rights to enforce undertakings and orders under this Part
167
1
This section applies to
a
any enforcement undertaking or enforcement order;
b
any undertaking accepted, or order made, under
section 161C
.
2
Any person to whom such an undertaking or order relates shall have a duty to comply with it.
3
The duty shall be owed to any person who may be affected by a contravention of the undertaking or (as the case may be) order.
4
Any breach of the duty which causes such a person to sustain loss or damage shall be actionable by him.
5
In any proceedings brought under subsection (4) against a person to whom an undertaking or order to which this section applies relates it shall be a defence for that person to show that he took all reasonable steps and exercised all due diligence to avoid contravening the undertaking or (as the case may be) order.
6
Compliance with an undertaking or order to which this section applies shall also be enforceable by civil proceedings brought by the CMA for an injunction or for interdict or for any other appropriate relief or remedy.
7
Compliance with an undertaking accepted by the Secretary of State under section 157 or 159, or an order made by the Secretary of State under section 158, 160 or 161, shall also be enforceable by civil proceedings brought by the Secretary of State for an injunction or for interdict or for any other appropriate relief or remedy.
8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Subsections (6) and (7) shall not prejudice any right that a person may have by virtue of subsection (4) to bring civil proceedings for contravention or apprehended contravention of an undertaking or order to which this section applies.
10
In deciding whether and, if so, how to proceed under this section, the CMA must have regard to the statement of policy which was most recently published by it under
section 167C
at the time of the failure to comply with the undertaking or (as the case may be) order.
Pt. 4 (ss. 131-184) modified (20.6.2003) by 1988 c. 41, Sch. 7 para. 20(5)-(8) (as substituted by Enterprise Act 2002 (c. 40), ss. 185, 279, Sch. 11 para. 11(3); S.I. 2003/1397, art. 2(1), Sch. (with art. 8)
Pt. 4 (ss. 131-184) modified (20.6.2003) by S.I. 1996/275 (N.I. 2), art. 23(2A)(2B) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 22(2)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (20.6.2003) by 1993 c. 43, s. 67(2A)(2B) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 21(2)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (20.6.2003) by S.I. 1992/231 (N.I. 1), art. 46(2A)(2B) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 20(2)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (20.6.2003) by 1991 c. 56, s. 31(4) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 19(3)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (20.6.2003) by 1991 c. 56, s. 31(2A) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 19(2)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (20.6.2003) by 1984 c. 12, s. 50(2B) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 16(2)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (20.6.2003) by 1989 c. 29, s. 43(2B) (as substituted by Enterprise Act 2002 (c. 40), ss. 168(9), 279, Sch. 9 para. 18(2)); S.I. 2003/1397, art. 2(1), Sch.
Pt. 4 (ss. 131-184) modified (25.7.2003 for certain purposes and 29.12.2003 for certain purposes) by Communications Act 2003 (c. 21), ss. 370(3), 411(2)(3) (with transitional provisions in Sch. 18); S.I. 2003/1900, arts. 1(2), 2(1), 3(1), Sch. 1 (with arts. 3-6 (as amended (8.12.2003) by S.I. 2003/3142, art. 1(3))); S.I. 2003/3142, art. 3(2)
Pt. 4 (ss. 131-184) modified (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), 29(4) (with arts. 8(9), 121, 307); S.R. 2007/194, art. 2(2), Sch. 1 Pt. 2 (with Sch. 2)
Pt. 4 modified (1.4.2013) by Health and Social Care Act 2012 (c. 7), ss. 73(3), 306(4); S.I. 2013/160, art. 2(2) (with arts. 7-9)
Pt. 4 functions made exercisable concurrently (6.4.2013) by Civil Aviation Act 2012 (c. 19), ss. 60(2), 110(1) (with s. 77(1)-(3), Sch. 10 paras. 12, 17); S.I. 2013/589, art. 2(1)-(3)
Pt. 4 modified in part (6.4.2013) by Civil Aviation Act 2012 (c. 19), ss. 60(3), 110(1) (with ss. 60(4), 77(1)-(3), Sch. 10 paras. 12, 17); S.I. 2013/589, art. 2(1)-(3)
Pt. 4 modified (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 4 para. 57; S.I. 2014/416, art. 2(1)(c) (with Sch.)
Pt. 4 certain functions made exercisable concurrently (1.4.2014) by Financial Services (Banking Reform) Act 2013 (c. 33), s. 59(1)-(5), 148(5); S.I. 2014/823, art.
Pt. 4 modified by 1986 c. 44, s. 36A (as amended (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. 50(4)(d) (with art. 3))
Pt. 4 modified by 1989 c. 29, s. 43(2B) (as amended (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. 65(4)(d) (with art. 3))
Pt. 4 modified by 1991 c. 56, s. 31(4) (as amended (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. 84(5)(d) (with art. 3))
Pt. 4 modified by 1993 c. 43, s. 67(4)(d) (as amended (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. 105(4)(d) (with art. 3))
Pt. 4 modified by 2000 c. 38, s. 86(4A) (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. 154(6) (with art. 3))
Pt. 4 modified by 2012 c. 7, s. 73(3)(b) (as 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. 189(4)(c) (with art. 3))
Pt. 4 modified by 2012 c. 19, s. 60(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. 197(5) (with art. 3))
Words in Pt. 4 heading inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 12 para. 8; S.I. 2014/416, art. 2(1)(d) (with Sch.)
Word in s. 167(6) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 197(2) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
Words in s. 167(7) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 197(3)(a) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
Words in s. 167(7) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 197(3)(b) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
Words in s. 167(7) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 197(3)(c) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
S. 167(8) omitted (1.4.2014) by virtue of Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 197(4) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
Words in s. 167(9) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 197(5) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
Pt. 4: certain functions made exercisable concurrently (26.12.2023) by Energy Act 2023 (c. 52), ss. 36(1)-(3), 334(3)(a) (with s. 38)
S. 167(10) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 11 para. 17; S.I. 2024/1226, regs. 1(2), 2(1)(15) (with Sch. para. 16(4)-(6), 20)
Words in s. 167(6) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 9 para. 7(4); S.I. 2024/1226, regs. 1(2), 2(1)(13) (with Sch. para. 10, 20)
Words in s. 167(9) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 9 para. 7(5); S.I. 2024/1226, regs. 1(2), 2(1)(13) (with Sch. para. 10, 20)
Words in s. 167(5) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 9 para. 7(3); S.I. 2024/1226, regs. 1(2), 2(1)(13) (with Sch. para. 10, 20)
Words in s. 167(1) renumbered as s. 167(1)(a) (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 9 para. 7(2)(a); S.I. 2024/1226, regs. 1(2), 2(1)(13) (with Sch. para. 10, 20)
S. 167(1)(b) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 9 para. 7(2)(b); S.I. 2024/1226, regs. 1(2), 2(1)(13) (with Sch. para. 10, 20)