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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)
(1)In any of the following cases, the [F3CMA] may conduct an investigation.
(2)The first case is where there are reasonable grounds for suspecting that there is an agreement which—
(a)may affect trade within the United Kingdom; and
(b)has as its object or effect the prevention, restriction or distortion of competition within the United Kingdom.
(3)The second case is where there are reasonable grounds for suspecting that there is an agreement which—
(a)may affect trade between Member States; and
(b)has as its object or effect the prevention, restriction or distortion of competition within [F4the European Union].
(4)The third case is where there are reasonable grounds for suspecting that the Chapter II prohibition has been infringed.
(5)The fourth case is where there are reasonable grounds for suspecting that the prohibition in [F5Article 102] has been infringed.
(6)The fifth case is where there are reasonable grounds for suspecting that, at some time in the past, there was an agreement which at that time—
(a)may have affected trade within the United Kingdom; and
(b)had as its object or effect the prevention, restriction or distortion of competition within the United Kingdom.
(7)The sixth case is where there are reasonable grounds for suspecting that, at some time in the past, there was an agreement which at that time—
(a)may have affected trade between Member States; and
(b)had as its object or effect the prevention, restriction or distortion of competition within [F4the European Union].
(8)Subsection (2) does not permit an investigation to be conducted in relation to an agreement if the [F6CMA] —
(a)considers that the agreement is exempt from the Chapter I prohibition as a result of a block exemption or a parallel exemption; and
(b)does not have reasonable grounds for suspecting that the circumstances may be such that it could exercise its power to cancel the exemption.
(9)Subsection (3) does not permit an investigation to be conducted if the [F6CMA] —
(a)considers that the agreement is an agreement to which the prohibition in [F7Article 101(1)] is inapplicable by virtue of a regulation of the Commission (“the relevant regulation”); and
(b)does not have reasonable grounds for suspecting that the conditions set out in Article 29(2) of the EC Competition Regulation for the withdrawal of the benefit of the relevant regulation may be satisfied in respect of that agreement.
(10)Subsection (6) does not permit an investigation to be conducted in relation to any agreement if the [F6CMA] considers that, at the time in question, the agreement was exempt from the Chapter I prohibition as a result of a block exemption or a parallel exemption.
(11)Subsection (7) does not permit an investigation to be conducted in relation to any agreement if the [F6CMA] considers that, at the time in question, the agreement was an agreement to which the prohibition in [F8Article 101(1)] was inapplicable by virtue of a regulation of the Commission.
(12)It is immaterial for the purposes of subsection (6) or (7) whether the agreement in question remains in existence.]
Textual Amendments
F1S. 25 substituted (1.5.2004) by The Competition Act 1998 and Other Enactments (Amendment) Regulations 2004 (S.I. 2004/1261), reg. 1(a), Sch. 1 para. 10
F2Word in s. 25 heading substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 5(3) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
F3Word in s. 25(1) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 5(2) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
F4Words in Act substituted (22.4.2011) by The Treaty of Lisbon (Changes in Terminology) Order 2011 (S.I. 2011/1043), arts. 2, 3, 4 (with arts. 3(2)(3), 4(2), 6(4)(5))
F5Words in s. 25(5) substituted (1.8.2012) by The Treaty of Lisbon (Changes in Terminology or Numbering) Order 2012 (S.I. 2012/1809), art. 2(1), Sch. Pt. 1 (with art. 2(2))
F6Word in s. 25(8)-(11) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 5 para. 5(2) (with s. 28); S.I. 2014/416, art. 2(1)(d) (with Sch.)
F7Words in s. 25(9)(a) substituted (1.8.2012) by The Treaty of Lisbon (Changes in Terminology or Numbering) Order 2012 (S.I. 2012/1809), art. 2(1), Sch. Pt. 1 (with art. 2(2))
F8Words in s. 25(11) substituted (1.8.2012) by The Treaty of Lisbon (Changes in Terminology or Numbering) Order 2012 (S.I. 2012/1809), art. 2(1), Sch. Pt. 1 (with art. 2(2))