; or (ii) if the Parties have reached an impasse in attempting to negotiate Operation Rules, at least 1 Party has developed proposed Operation Rules to submit for judicial review and approval, and has shared the proposed Operation Rules with the other Parties at least 90 days in advance of filing the lawsuit. (2) Joining United States as party Where suit is filed pursuant to this subsection, including the satisfaction of the requirements in subparagraph (A) or (B) of paragraph (1), the United States may be joined in litigation for the purposes set forth in this section. (b) Judicial approval The Court shall have exclusive jurisdiction to review and determine whether to approve the Tribal Water Right and the 2007 Agreement, and on doing so over any cause of action initiated by any Party arising from a dispute over the interpretation of the 2007 Agreement or this Act, and any cause of action initiated by any Party for the enforcement of the 2007 Agreement. (c) Failure To agree on operation rules (1) In general Subject to subsection (a)(1)(B)(ii), the Court shall have jurisdiction over a cause of action that a Party initiates to establish Operation Rules, where the Parties failed to reach agreement on such Operation Rules. (2) Voluntary dispute resolution If a suit is filed under paragraph (1), the Court shall refer the Parties to the voluntary dispute resolution program of the Court. (3) Court selection of Operation Rules (A) In general If the voluntary dispute resolution program does not, after a reasonable amount of time as determined by the Court, result in agreed-on Operation Rules, the Court shall set a deadline by which any Party or Downstream Water User may submit proposed Operation Rules and, after briefing and hearing evidence, select among the proffered Operation Rule based on the criteria set forth in paragraph (4). (B) Implementation of agreed-on Operation Rules Once the Court selects Operation Rules pursuant to subparagraph (A), such Operation Rules shall thereafter control and shall be implemented by