(1)For the purposes of this Act a monopoly situation shall be taken to exist in relation to the supply of goods of any description in the following cases, that is to say, if—
(a)at least one-quarter of all the goods of that description which are supplied in the United Kingdom are supplied by one and the same person, or are supplied to one and the same person, or
(b)at least one-quarter of all the goods of that description which are supplied in the United Kingdom are supplied by members of one and the same group of interconnected bodies corporate, or are supplied to members of one and the same group of interconnected bodies corporate, or
(c)at least one-quarter of all the goods of that description which are supplied in the United Kingdom are supplied by members of one and the same group consisting of two or more such persons as are mentioned in subsection (2) of this section, or are supplied to members of one and the same group consisting of two or more such persons, or
(d)one or more agreements are in operation, the result or collective result of which is that goods of that description are not supplied in the United Kingdom at all.
(2)The two or more persons referred to in subsection (1)(c) of this section, in relation to goods of any description, are any two or more persons (not being a group of interconnected bodies corporate) who whether voluntarily or not, and whether by agreement or not, so conduct their respective affairs as in any way to prevent, restrict or distort competition in connection with the production or supply of goods of that description, whether or not they themselves are affected by the competition and whether the competition is between persons interested as producers or suppliers or between persons interested as customers of producers or suppliers.
Modifications etc. (not altering text)
C1S. 6 modified (4.4.1980) by Competition Act 1980 (c. 21), s. 11(2)
C2S. 6(1)(b): power to modify conferred (18.12.1996) by 1996 c. 61, ss. 24(2)(3)(4), 26
C3S. 6(1)(b) amended by S.I. 1987/2068, art. 2