44. If the Parties and the Panel agree, the Members of a Panel may attend the meeting under Section 43 and provide any necessary assistance to the Parties. Termination of Reference to Panel 45. A Reference is terminated when any of the following occurs: a) the Reference has been terminated as permitted under Section 31 or 33; b) the expiration of 30 days after receipt of the final report of the Panel, or any longer period agreed by the Parties in writing; or c) the Parties directly engaged in the Disagreement sign a written agreement resolving the Disagreement. Costs 46. A Party is not responsible for sharing any costs of the Reference that were incurred after the date that Party notified the other Parties, under Section 32, of its withdrawal from the Reference. 182

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