# The Competition Appeal Tribunal Rules 2015, Rule 16: Intervention


(1) Any person with sufficient interest in the outcome may make a request to the Tribunal for permission to intervene in the proceedings.
(2) The request shall be filed within the period referred to in rule 14(3)(f).
(3) The Registrar shall give notice of the request for permission to intervene to all the other parties to the proceedings and invite their observations on that request within a specified period.
(4) A request for permission to intervene shall state—
(a) the title of the proceedings to which that request relates;
(b) the name and address of the person wishing to intervene;
(c) the name and address of its legal representative, if any; and
(d) an address for service in the United Kingdom.
(5) The request shall contain—
(a) a concise statement of the matters in issue in the proceedings which affect the person making the request;
(b) the name of any party whose position the person making the request intends to support; and
(c) a succinct presentation of the reasons for making the request.
(6) If the Tribunal is satisfied, having taken into account the observations of the parties, that the intervening party has a sufficient interest, it may permit the intervention on such terms and conditions as it thinks fit.
(7) On granting permission under paragraph (6), the Tribunal may any consequential directions it considers necessary with regard, in particular, to the service on the intervener of the documents lodged with the Registrar, the filing by the intervener of a statement of intervention and, if appropriate, the filing by the principal parties of a response to the statement of intervention and any objections to the admission of evidence put forward by the intervener.
(8) The statement of intervention shall contain—
(a) a succinct presentation of the facts and arguments supporting the intervention;
(b) the relief sought by the intervener;
(c) a schedule listing all the documents annexed to the intervention; and
(d) a statement identifying the evidence (whether witness statements or other documents annexed to the statement of intervention) the substance of which, so far as the intervener is aware, was not before the maker of the disputed decision.
(9) As far as practicable, there shall be annexed to the statement of intervention, a copy of every document (or part of a document) on which the intervener relies including the written statements of witnesses of fact and expert witnesses, if any, but excluding any document (or part of a document) annexed to the notice of appeal or defence.
(10) Rules 10(1), 11 (except paragraph (1)(a), (c) and (d)) and 12 apply to a statement of intervention as if—
(a) references to “notice of appeal” were references to “statement of intervention”;
(b) references to “an appeal” or “the appeal” were references to “a statement of intervention” or “the statement of intervention”;
(c) references to “ground of appeal” were references to “ground of intervention”;
(d) references to “the appellant” were references to “the intervener”; and
(e) in rule 10(1), the reference to rule 9 were a reference to rule 16.
(11) The intervener shall send a copy of the statement of intervention and any accompanying documents to each other party at the same time as it files the statement of intervention.

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Source: https://www.legislation.gov.uk/uksi/2015/1648/rule/16 (the official version)
Page: https://openlegislation.uk/competition-appeal-tribunal-rules-2015/rule-16
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.