(1) If a retail tenancy claim or an unconscionable conduct claim has been lodged with the Tribunal under this Part and at the time it was lodged no issue arising under the claim was the subject of a dispute in civil proceedings pending before a court, a court has no jurisdiction to hear or determine such an issue in civil proceedings, unless-(a) the claim lodged with the Tribunal, or the part of that claim to which the issue relates, is withdrawn or is dismissed for want of jurisdiction, or(b) a court of record has, on a judicial review, quashed or declared invalid an order, determination or ruling of the Tribunal made in respect of the claim on the ground that the Tribunal had no jurisdiction to hear and determine the issue.
(2) If a retail tenancy claim or an unconscionable conduct claim has been lodged with the Tribunal under this Part and at the time it was lodged an issue arising under the claim was the subject of a dispute in civil proceedings pending before a court, the Tribunal, on becoming aware of those proceedings, ceases to have jurisdiction to hear or determine the issue, unless-(a) those proceedings, or the part of the proceedings relating to the issue, are or is transferred to the Tribunal by the court concerned, or(b) those proceedings, or the part of the proceedings relating to the issue, are or is withdrawn or dismissed by the court, or by another court on appeal in those proceedings, for want of jurisdiction or without deciding the issue on its merits, or(c) a court of record has, on a judicial review, quashed or declared invalid those proceedings or that part of those proceedings or any order, judgment or decision made in those proceedings in relation to the issue, on the ground that the first-mentioned court had no jurisdiction to hear and determine the issue.
(3) If a retail shop lease provides that a dispute be submitted to arbitration, it is competent for a retail tenancy claim or an unconscionable conduct claim involving that dispute to be lodged with the Tribunal under this Part unless all steps necessary to secure arbitration of the dispute have been taken.
(4) If a retail tenancy claim or an unconscionable conduct claim has been lodged with the Tribunal, any provision of a retail shop lease that provides for the submission of a dispute with which the claim is concerned to arbitration is of no effect in relation to the dispute.
(5) This section applies despite anything in Schedule 4 to the Civil and Administrative Tribunal Act 2013 concerning jurisdictional overlap between courts and the Tribunal.