Section IV : Fulfilment and observance of the laws of neutrality - Art. 29.
Art. 29. After being signed, the present Convention shall be submitted to the ratification of the Signatory States. The Government of Cuba is charged with transmitting authentic certified copies to the governments for the aforementioned purpose of ratification. The instrument of ratification shall be deposited in the archives of the Pan American Union in Washington, the Union to notify the signatory governments of said deposit. Such notification shall be considered as an exchange of ratifications. This Convention shall remain open to the adherents of non-Signatory States.
In witness whereof, the aforenamed Plenipotentiaries sign the present Convention in Spanish, English, French and Portuguese, in the City of Havana, the twentieth day of February, 1928.
(Here follow signatures)