(1) Two or more persons may comply with the duty in section 57(1) by making a joint report to the CMA.

(2) For the purposes of this Chapter, where a designated undertaking is part of a group -

(a) anything which a member of a group does or fails to do is to be treated as being done or not done by each member of the group;

(b) each member of a group is to be treated as providing the combined consideration provided by all members of the group;

(c) each member of a group is to be treated as holding the combined interests or rights of all members of the group.

(3) Schedule 2 makes further provision about cases in which a person is to be treated for the purposes of this Chapter as holding an interest or right.

(4) The duty to make a report under section 57(1) does not apply -

(a) in relation to a reportable event which does not differ in any material respect from an event which has already been reported under section 57(1);