6.1 If any Dispute between hubco and a Participant raises issues which relate to any dispute between hubco and any Partnering Subcontractor arising under a Supply Chain Agreement or otherwise affects the relationship or rights of hubco and/or the Partnering Subcontractor under such Supply Chain Agreement (the "Supply Chain Agreement Dispute") then hubco may include as part of its submissions made to the Arbitrator, submissions made by the Partnering Subcontractor as appropriate.
6.2 The Arbitrator shall not have jurisdiction to determine the Supply Chain Agreement Dispute but the decision of the Arbitrator shall be binding on hubco and the Partnering Subcontractor insofar as it determines the issues relating to the Supply Chain Agreement Dispute.
6.3 Any submissions made by the Partnering Subcontractor shall:
6.3.1 be made within the time limits applicable to the delivery of submissions by hubco to the Arbitrator; and
6.3.2 concern only those matters which relate to the Dispute between the relevant Participant and hubco.
6.4 Where a Partnering Subcontractor makes submissions in any reference before the Arbitrator, the costs of the Arbitration shall be at the discretion of the Arbitrator.
6.5 No Participant shall have liability to any Partnering Subcontractor arising out of or in connection with any decision of the Arbitrator or in respect of the costs of the Partnering Subcontractors in participating in the resolution of any Dispute under this Agreement.
6.6 hubco shall not allow any Partnering Subcontractor access to any document relevant to the issues in dispute between any Participant and hubco save where:
6.6.1 the document is relevant also to the issues relating to the Supply Chain Agreement Dispute as the case may be; and
6.6.2 hubco has first delivered to the relevant Participants a written undertaking from the Partnering Subcontractor addressed to the relevant Participants that they shall not use any such document otherwise than for the purpose of the dispute resolution proceedings under this Agreement and that they shall not disclose such documents or any information contained therein to any third party other than the Arbitrator or any professional adviser engaged by the Partnering Subcontractor (as appropriate) to advise in connection with the Dispute.