# The Competition Appeal Tribunal Rules 2015, Rule 82: Opting in and opting out of collective proceedings


(1) A class member may on or before the time and in the manner specified in the collective proceedings order—
(a) in the case of opt-in collective proceedings, opt into the collective proceedings; or
(b) in the case of opt-out collective proceedings, either—
(i) opt out of the collective proceedings; or
(ii) if not domiciled in the United Kingdom at the domicile date, opt into the collective proceedings.
(2) A class member who does not opt in or opt out in accordance with paragraph (1) may not do so without the permission of the Tribunal.
(3) In considering whether to grant permission under paragraph (2), the Tribunal shall consider all of the circumstances, including in particular—
(a) whether the delay was caused by the fault of that class member; and
(b) whether the defendant would suffer substantial prejudice if permission were granted.
(4) A class member who has already brought a claim that raises one or more of the common issues set out in the collective proceedings order may not be a represented person unless the class member:
(a) discontinues the claim, or;
(b) for claims brought in England, Wales or Northern Ireland, applies to stay that claim, or;
(c) for claims brought in Scotland, applies to sist that claim before the time specified in the collective proceedings order under rule 80(1)(h) to opt into or out of the collective proceedings.

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Source: https://www.legislation.gov.uk/uksi/2015/1648/rule/82 (the official version)
Page: https://openlegislation.uk/competition-appeal-tribunal-rules-2015/rule-82
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.