Part I

Competition
Chapter III

Investigation and Enforcement

Investigations

Power of CMA to publish notice of investigation etc
25A
1
Where the CMA decides to conduct an investigation it may publish a notice which may, in particular—
a
state its decision to do so;
b
indicate which of
subsections (2), (4) and (6)
of section 25 the investigation falls under;
c
summarise the matter being investigated;
d
identify any undertaking whose activities are being investigated as part of the investigation;
e
identify the market which is or was affected by the matter being investigated.
1A
Where the CMA assists an overseas regulator in carrying out any of its functions which correspond or are similar to the functions of the CMA under this Part (see Chapter 2 of Part 5 of the Digital Markets, Competition and Consumers Act 2024), the CMA may publish a notice which may, in particular—
a
state its decision to do so;
b
identify the overseas regulator concerned;
c
summarise the matter in respect of which the assistance is to be provided;
d
identify any undertaking in respect of which the assistance is to be provided;
e
identify the market which is or was affected by the matter in respect of which the assistance is to be provided.
2
Section 57 does not apply to a notice under subsection (1)
or (1A)
to the extent that it includes information other than information mentioned in
the subsection concerned
.
3
Subsection (4) applies if—
a
the CMA has published a notice under subsection (1) which identifies an undertaking whose activities are being investigated, and
b
the CMA subsequently decides (without making a decision within the meaning given by section 31(2)) to terminate the investigation of the activities of the undertaking so identified.
4
The CMA must publish a notice stating that the activities of the undertaking in question are no longer being investigated.
Pt. 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)
Pt. 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
Pt. 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
Pt. 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)
Pt. 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)
Pt. 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))
Pt. 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))
Pt. 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))
Pt. 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))
Pt. 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))
Pt. 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))
Pt. 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)
Pt. 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)
Pt. 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)
Pt. 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)
Pt. 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)
S. 25A inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), ss. 42(2), 103(3); S.I. 2014/416, art. 2(1)(b) (with Sch.)
Pt. 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)
Pt. 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))
Words in s. 25A(1)(b) substituted (31.12.2020) by The Competition (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/93), regs. 1(1), 7 (with Sch. 4 paras. 7, 13) (as amended by S.I. 2020/1343, regs. 35-59); 2020 c. 1, Sch. 5 para. 1(1)
Pt. 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
Pt. 1: certain functions made exercisable concurrently (26.12.2023) by Energy Act 2023 (c. 52), ss. 37, 334(3)(a) (with s. 38)
Word in s. 25A heading inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 28 para. 9(2); S.I. 2024/1226, regs. 1(2), 2(1)(20)
S. 25A(1A) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 28 para. 9(3); S.I. 2024/1226, regs. 1(2), 2(1)(20)
Words in s. 25A(2) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 28 para. 9(4)(a); S.I. 2024/1226, regs. 1(2), 2(1)(20)
Words in s. 25A(2) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 28 para. 9(4)(b); S.I. 2024/1226, regs. 1(2), 2(1)(20)