Article 4 The present convention is subject to ratification. The instruments of ratification shall be deposited with the Secretary-General of the League of Nations, who shall notify their receipt to every State signatory of or acceding to the convention.
Article 5 On and after November 1, 1924, the present convention may be acceded to by any State represented at the conference referred to in Article 1, by any Member of the League of Nations, or by any State to which the Council of the League of Nations shall have communicated a copy of the convention for this purpose.
Accession shall be effected by an instrument communicated to the Secretary-General of the League of Nations to be deposited in the archives of the secretariat. The Secretary-General shall at once notify such deposit to every State signatory of or acceding to the convention.