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Article 9 Ad Hoc Arrangements

1 – The Parties or their authorised representatives shall enter into ad hoc arrangements regarding the

organizational and financial matters in relation to each Meeting, as appropriate and in accordance with this Agreement.

2 – The cooperation under this Agreement shall be conducted between the Parties or their authorised representatives through the established diplomatic channels.

Article 10

Settlement of disputes 1 – Any dispute concerning the interpretation or the application of this Agreement, except for a dispute

subject to Article VIII, Section 30 of the General Convention or of any other applicable agreement, shall, unless the Parties otherwise agree, be resolved by negotiations or any other agreed mode of settlement.

2 – Any such dispute that is not settled by negotiations or any other agreed mode of settlement shall be submitted at the request of either Party for a final decision to an arbitral tribunal, as follows:

a) The arbitral tribunal shall be composed of three arbitrators, one of whom shall be appointed by the

Secretary-General of the United Nations, one by the Portuguese Republic and the third, who shall be the Chairperson, by the other two arbitrators;

b) If either Party does not appoint an arbitrator within three months of the other Party having notified the name of its arbitrator or if the first two arbitrators do not within three months of the appointment or nomination of the second one of them appoint a Chairperson, then such arbitrator shall be nominated by the President of the International Court of Justice at the request of either Party;

c) Except as otherwise agreed by the Parties, the arbitral tribunal shall adopt its own rules of procedure, provide for the reimbursement of its members and the distribution of expenses between the Parties, and take all decisions by a two-thirds majority;

d) The decisions of the arbitral tribunal on all questions of procedure and substance shall be final and, even if rendered in default of one the Parties, shall be binding on both of them.

Article 11

Entry into Force This Agreement shall enter into force upon the receipt by the United Nations of the notification, in writing

and through diplomatic channels, from the Government conveying the completion of its internal procedures necessary for its entry into force.

Article 12

Duration and Termination 1 – This Agreement shall remain in force for an unlimited period of time. 2 – This Agreement may be terminated by either Party by written notification to the other Party through

diplomatic channels. 3 – This Agreement shall terminate six months after the receipt of such notification. 4 – Notwithstanding paragraphs 2 and 3 of this Article, this Agreement shall remain in force until complete

fulfilment or termination of all obligations entered into by virtue of this Agreement.

Article 13 Amendments

1 – This Agreement may be amended by written agreement between the Parties.