respective territory, specially of those relating to its history, statistics and geography, and shall forward such collections to the others at the time of making its first transmission.
Art. 4th. The Governments signing this Convention, whenever they shall receive the publications sent them by others, shall insert, in due time, a list of the same in the respective official journals, so that the public may be able to consult them in the office or library in which they are placed for inspection, stating at the same time the place and the printing office from which each work was issued, for the information of those that may desire to acquire said work.
Art. 5th. The Contracting Governments, in so far as the stipulations of the Universal Postal Union allow it, will declare free of postage, among the respective countries, all official correspondence and the publications under agreement of exchange referred to in this Convention, in conformity with the special arrangements which for the purpose shall be entered into among themselves.
Art. 6th. Each of the Contracting Countries shall send the printed matter to which this Convention refers, to the Legation or Consulate which it may have accredited to the Governments of the others, so that they may be delivered by such channels to the Department, office or library which each Government may designate to receive them. In the absence of indirect agents, the transmission shall be made from one Government to the other.
Art. 7th. For the operation of this Convention it is not indispensable that its ratification shall be made simultaneously by the signatory nations. The State approving it shall make known that fact to the others through a diplomatic agency, or directly, and such proceeding shall be considered of equal force as an exchange of copies.
Art. 8th. This Convention shall take effect for an indefinite period, from the day on which its ratification shall have taken place, in the manner expressed in the foregoing article, and the nation desiring to denounce it, shall give notice of its intention to the others; and its obligations under it shall cease only one year from the date of giving such notice.
In Testimony whereof the Plenipotentiaries and Delegates sign the present Convention and set thereto the Seal of the Second International American Conference.
Made in the City of Mexico, this twenty-seventh day of January nineteen hundred and two, in three copies written in Spanish, English and French, respectively, which shall be deposited at the Department of Foreign Relations of the Government of the Mexican United States, so that certified copies thereof may be made, in order to send them through the diplomatic channel to the signatory States.
