This Treaty shall be ratified by the High Contracting Parties in accordance with their respective constitutional requirements. The Instruments of ratification shall be deposited with the Government of the Italian Republic.

This Treaty shall enter into force on the first day of the month following the deposit of the Instrument of ratification by the last signatory State to take this step. If, however, such deposit is made less than 15 days before the beginning of the following month, this Treaty shall not enter into force until the first day of the second month after the date of such deposit.