Modifications etc. (not altering text)
C1Pt. 1: certain functions made exercisable concurrently (26.11.1998 for certain purposes and prosp. otherwise) by 1984 c. 12, s. 50(3) (as substituted by 1998 c. 41, s. 66(5), Sch. 10 Pt. II para. 2(6) (with s. 73); S.I. 1998/2750, art. 2)
C2Pt. 1 (except ss. 38(1)-(6), 51) amended (1.2.2001) by 2000 c. 38, ss. 86(1)(3), 89 (with ss. 105(2)(d)(5), 106); S.I. 2001/57, art. 3(1), Sch. 2 Pt. 1
C3Pt. 1 (except ss. 38(1)-(6), 51, 52(6) and (8) and 54) amended (1.2.2001) by 2000 c. 38, s. 86(4)(b)(5) (with ss. 105(2)(d)(5), 106); S.I. 2001/57, art. 3(1), Sch. 2 Pt. 1
Pt. 1 (except ss. 38(1)-(6), 51) amended (1.2.2001) by 2000 c. 38, s. 86(7)(b) (with ss. 105(2)(d)(5), 106); S.I. 2001/57, art. 3(1), Sch. 2 Pt. 1
C4Pt. 1 modified (25.7.2003 for specified purposes, 29.12.2003 in so far as not already in force) by Communications Act 2003 (c. 21), ss. 371(3), 411(2) (with Sch. 18); S.I. 2003/1900, arts. 1(2), 2(1), Sch. 1 (with art. 3) (as amended by S.I. 2003/3142, art. 1(3)); S.I. 2003/3142, art. 3(2) (with art. 11)
C5Pt. 1 certain functions made exercisable concurrently by 1998 c. 41, s. 67(3) (as substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 2 para. 6(2)(a))
C6Pt. 1 certain functions made exercisable concurrently by 1991 c. 56, s. 31(3) (as substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 2 para. 4(2)(a))
C7Pt. 1 certain functions made exercisable concurrently by S.I. 1992/231 (N.I. 1) art. 46(3) (as substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 2 para. 5(2)(a))
C8Pt. 1 certain functions made exercisable concurrently by 1986 c. 44, s. 36A(3) (as substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 2 para. 1(2)(a))
C9Pt. 1 restricted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), regs. 1(a), 9(2)
C10Pt. 1 certain functions made exercisable concurrently by 1989 c. 29, s. 43(3) (as substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 2 para. 3(2)(a))
C11Pt. 1 certain functions made exercisable concurrently by S.I. 1996/275 (N.I. 2), art. 23(3) (as substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 2 para. 9(2)(a))
C12Pt. 1 certain functions made exercisable concurrently (1.4.2007) by The Water and Sewerage Services (Northern Ireland) Order 2006 (S.I. 2006/3336), arts. 1(2), 29(3) (with arts. 8(8), 121(3), 307); S.R. 2007/194, art. 2(2), Sch. Pt. 2 (with Sch. 2)
C13Pt. 1 modified (1.4.2007) by The Water and Sewerage Services (Northern Ireland) Order 2006 (S.I. 2006/3336), arts. 1(2), 29(5) (with arts. 8(8), 121(3), 307); S.R. 2007/194, art. 2(2), Sch. Pt. 2 (with Sch. 2)
C14Pt. 1 modified (1.4.2013) by Health and Social Care Act 2012 (c. 7), ss. 72(3), 306(4); S.I. 2013/160, art. 2(2) (with arts. 7-9)
C15Pt. 1 functions made exercisable concurrently (6.4.2013) by Civil Aviation Act 2012 (c. 19), ss. 62(1)-(3), 110(1) (with s. 77(1)-(3), Sch. 10 paras. 12, 17); S.I. 2013/589, art. 2(1)-(3)
C16Pt. 1 modified in part (6.4.2013) by Civil Aviation Act 2012 (c. 19), ss. 62(4), 110(1) (with ss. 62(5), 77(1)-(3), Sch. 10 paras. 12, 17); S.I. 2013/589, art. 2(1)-(3)
C17Pt. 1 certain functions made exercisable concurrently by 2000 c. 8, s. 234J (as inserted (1.11.2014 for specified purposes, 1.4.2015 so far as not already in force) by Financial Services (Banking Reform) Act 2013 (c. 33), s. 148(5), Sch. 8 para. 3; S.I. 2014/2458, arts. 2(b)(aa)(i), 3(b)(v))
C18Pt. 1 certain functions made exercisable concurrently (1.11.2014 for specified purposes, 1.4.2015 so far as not already in force) by Financial Services (Banking Reform) Act 2013 (c. 33), ss. 61(2), 148(5); S.I. 2014/2458, arts. 2(a)(i), 3(b)(ii)
C19Pt. 1: certain functions made exercisable concurrently (26.12.2023) by Energy Act 2023 (c. 52), ss. 37, 334(3)(a) (with s. 38)
Modifications etc. (not altering text)
C20Pt. 1 Ch. 3 applied in part (31.10.2023) by The Transport (Scotland) Act 2019 (Consequential Provisions and Modifications) Order 2023 (S.I. 2023/80), arts. 1(3), 22
Textual Amendments
F1Ss. 35A-35C and cross-headings inserted (24.5.2024 for specified purposes; 1.1.2025 in so far as not already in force) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(2)(c), Sch. 11 para. 6; S.I. 2024/1226, regs. 1(2), 2(1)(15) (with Sch. paras. 16(1), 20)
(1)In this section “conduct of minor significance” means conduct which falls within a category prescribed for the purposes of this section.
(2)The criteria by reference to which a category is prescribed may, in particular, include—
(a)the turnover of the person whose conduct it is (determined in accordance with prescribed provisions);
(b)the share of the market affected by the conduct (determined in that way).
(3)A person is immune from the effect of section 36(2)[F2, so far as that provision relates to decisions about infringement of the Chapter II prohibition,] if [F3its] conduct is conduct of minor significance; but the [F4CMA] may withdraw that immunity under subsection (4).
(4)If the [F4CMA] has investigated conduct of minor significance, [F5it] may make a decision withdrawing the immunity given by subsection (3) if, as a result of [F5its] investigation, [F5it] considers that the conduct is likely to infringe the Chapter II prohibition.
(5)The [F4CMA] must give the person, or persons, whose immunity has been withdrawn written notice of [F3its] decision to withdraw the immunity.
(6)A decision under subsection (4) takes effect on such date (“the withdrawal date”) as may be specified in the decision.
(7)The withdrawal date must be a date after the date on which the decision is made.
(8)In determining the withdrawal date, the [F6CMA] must have regard to the amount of time which the person or persons affected are likely to require in order to secure that there is no further infringement of the Chapter II prohibition.
Textual Amendments
F2Words in s. 40(3) inserted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 1 para. 25(2)
F3Word in s. 40(5) substituted (1.4.2003) by Enterprise Act 2002 (c. 40), s. 279, Sch. 25 para. 38(32)(c); S.I. 2003/766, art. 2, Sch. (with art. 3) (as amended (20.7.2007) by S.I. 2007/1846, reg. 3(2), Sch.)
F4Word in s. 40(3)-(5) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 24 (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
F5Words in s. 40(4) substituted (1.4.2003) by Enterprise Act 2002 (c. 40), s. 279, Sch. 25 para. 38(32)(b); S.I. 2003/766, art. 2, Sch. (with art. 3) (as amended (20.7.2007) by S.I. 2007/1846, reg. 3(2), Sch.)
F6Word in s. 40(8) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 24 (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)