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Competition Act 1998
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Competition Act 1998, Section 18 is up to date with all changes known to be in force on or before 25 April 2024. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations.
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- s. 31G-31L and cross-heading inserted by S.I. 2019/93, reg. 8A (as inserted) by S.I. 2019/1245 reg. 3 (This amendment not applied to legislation.gov.uk. The affecting statutory instrument has no legal effect. It was made under a procedure which meant that it ceased to have effect 28 days after signing unless it was debated and approved in Parliament within that time. It was not debated and approved within 28 days, so it has expired with no effect.)
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- Sch. 6A Pt. 3 inserted by S.I. 2019/93, reg. 29A(4) (as inserted) by S.I. 2019/1245 reg. 7 (This amendment not applied to legislation.gov.uk. The affecting statutory instrument has no legal effect. It was made under a procedure which meant that it ceased to have effect 28 days after signing unless it was debated and approved in Parliament within that time. It was not debated and approved within 28 days, so it has expired with no effect.)
18 Abuse of dominant position.U.K.
(1)Subject to section 19, any conduct on the part of one or more undertakings which amounts to the abuse of a dominant position in a market is prohibited if it may affect trade within the United Kingdom.
(2)Conduct may, in particular, constitute such an abuse if it consists in—
(a)directly or indirectly imposing unfair purchase or selling prices or other unfair trading conditions;
(b)limiting production, markets or technical development to the prejudice of consumers;
(c)applying dissimilar conditions to equivalent transactions with other trading parties, thereby placing them at a competitive disadvantage;
(d)making the conclusion of contracts subject to acceptance by the other parties of supplementary obligations which, by their nature or according to commercial usage, have no connection with the subject of the contracts.
(3)In this section—
“dominant position” means a dominant position within the United Kingdom; and
“the United Kingdom” means the United Kingdom or any part of it.
(4)The prohibition imposed by subsection (1) is referred to in this Act as “the Chapter II prohibition”.
Modifications etc. (not altering text)
C1S. 18 restricted (31.12.2020) by S.I. 2019/93, Sch. 4 para. 17A(2) (as inserted by The Competition (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1343), regs. 1(1), 40(2))
C2S. 18(1) excluded (18.6.2001) by 2000 c. 8, s. 164(3)(5); S.I. 2001/1820, art. 2, Sch.
s. 18(1) excluded (3.9.2001) by 2000 c. 8, s. 312(2); S.I. 2001/2632, art. 2(2), Sch. Pt. 2
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