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II SÉRIE-A — NÚMERO 69

g) Details of any particular procedure or requirement that the Requesting Party wishes to be followed including confidentiality and time limits to be observed.

2 — The Requesting Party shall send additional information required by the Requested Party as necessary to execute the request.

Article 14 Authentication

Where authentication is requested, material or documents are authenticated for the purpose of this Treaty if:

a) It purports to be signed or certified by a judge, magistrate or officer in or of the sending Party; and

b) It purports to be sealed with an official or public seal of the sending Party or of a minister of State or of a department or officer of the Government of the sending Party.

Article 15 Language

Requests, supporting documents and other communications made pursuant to this Treaty shall be in the language of the Requesting Party and accompanied by a translation into the language of the Requested Party.

Article 16 Other assistance

This Treaty shall not derogate from obligations subsisting between the Contracting Parties whether pursuant to other treaties or arrangements or otherwise nor prevent the Contracting Parties providing assistance to each other pursuant to other treaties or arrangements.

Article 17

Prolecting confidentiality and restricting use of evidence and information

1 — The Requested Party, if so requested, shall keep the application for assistance, the contents of a request and its supporting documents, and the fact of granting of such assistance, confidential. If the request cannot be executed without breaching confidentiality, the Requested Party shall so inform the Requesting Party wich shall then determine whether the request should nevertheless be executed.

2 — The Requesting Party, if so requested, shall keep confidential evidence and information provided by the Requested Party, except to the extent that the evidence and information is needed for the investigation and proceeding described in the request.

3 — The Requesting Party shall not use evidence obtained, nor information derived therefrom, for purposes

other than those stated in a request without the prior consent of the Requested Party.

Article 18 Expenses

The Requested Party shall meet the cost of executing the request for assistance except that the Requesting Party shall bear:

a) The fees, allowances and expenses relating to the conveying of persons pursuant to article 7 and expenses related to the conveying of persons in custody pursuant to article 8;

b) The allowances and expenses incurred in conveying custodial or escorting officers; and

c) Where required the Requested Party, exceptional expenses incurred in executing the request.

Article 19 Resolution of doubts

Any doubts and difficulties arising out of the application and intepretation of this Treaty shall be resolved by consultation between the Contracting Parties.

Article 20 Entry into force and termination

1 — This Treaty shall enter into force thirty days after the date on which the Contracting Parties have notified each other in writing that their respective requirements for the entry into force of this Treaty have been complied with.

2 — This Treaty shall apply to any territory under the administration of the Republic of Portugal thirty days after the date of notification by the Republic of Portugal to Australia that the constitutional requirements for the entry into force of the Treaty in relation to that territory have been complied with.

3 — Either Contracting Party may terminate this Treaty by notice in writing at any time an it shall cease to be in force on the one and eightieth day after the day on which notice is given.

In witness whereof the undersigned, being duly authorised thereto by their respective Governments, have signed this Treaty.

Done at Lisbon on the fourth day of July one thousand nine hundred and eighty nine, in English and Portuguese, both texts being equally authentic.

For Australia:

(Illegible signature.)

For the Republic of Portugal: Joaquim Fernando Nogueira.