(1)The Chapter II prohibition does not apply in any of the cases in which it is excluded by or as a result of—
(a)Schedule 1 (mergers and concentrations); or
(b)Schedule 3 (general exclusions).
(2)The Secretary of State may at any time by order amend Schedule 1, with respect to the Chapter II prohibition, by—
(a)providing for one or more additional exclusions; or
(b)amending or removing any provision (whether or not it has been added by an order under this subsection).
(3)The Secretary of State may at any time by order amend paragraph 8 of Schedule 3 with respect to the Chapter II prohibition.
(4)Schedule 3 also gives the Secretary of State power to provide that the Chapter II prohibition is not to apply in certain circumstances.