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Article 21

Multilateral agreements

Any multilateral air transport conventions or agreements coming into force in respect of both Parties shall be

deemed to prevail over the present Agreement and its Annex.

Article 22

Duration and termination

1. This Agreement shall remain in force for an undetermined period.

2. Each Party may, at any time, give notice in writing through diplomatic channels to the other Party of its

decision to terminate this Agreement. Such notice shall simultaneously be communicated to the International

Civil Aviation Organization.

3. The Agreement shall terminate twelve (12) months after the date of receipt of the notice by the other

Party, unless the notice to terminate is withdrawn by mutual agreement before the expiry of this period.

4. In case of failure of information to the other Party of the receipt of the notification, notice shall be deemed

to have been received fourteen (14) days after the receipt of the notice by the International Civil Aviation

Organization.

Article 23

Registration with ICAO

This Agreement and any amendment thereto shall be registered upon its signature with the International

Civil Aviation Organization by the Parties.

Article 24

Entry into force

This Agreement shall enter into force thirty (30) days after the date of the receipt of the last notification

through the exchange of diplomatic notes by one Party to the other Party that it has completed the internal legal

procedures necessary in accordance with its legislation and procedures for the entry into force of this

Agreement.

In the witness whereof the undersigned, being duly authorized by their respective Governments, have

signed this Agreement.

Done at Lisbon, this 28th day of June in the year 2022, in two originals in Portuguese and English

languages, all texts being equally authentic.