Article 13

(1) With respect to the first five countries which have deposited their instruments of ratification or accession, this Agreement shall enter into force three months after the fifth instrument of ratification or accession has been deposited.

(2) With respect to any country other than those for which this Agreement has entered into force in accordance with paragraph (1), it shall enter into force three months after the date on which its ratification or accession was notified by the Director General, unless a subsequent date has been indicated in the instrument of ratification or accession. In the latter case, this Agreement shall enter into force with respect to that country on the date thus indicated.

(3) Ratification or accession shall automatically entail acceptance of all the clauses and admission to all the advantages of this Agreement.