INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [61 STAT. ARTICLE 3 Free and gratuitous transit 1. The gratuity of territorial, fluvial and maritime transit is abso- lute in the territory of the Postal Union of the Americas and Spain; consequently, the countries which form it obligate themselves to transport across their territories, and to convey by the ships of their registry or flag, without any charge whatsoever to the contracting countries, all correspondence which the latter send to any destination. RBefora-ng. 2. In case of reforwarding, the contracting countries are bound to reforward the correspondence by the ways and means which they utilize for their own dispatches. ARTICLE 4 Pt p. 3618. "Articles of corre spondence." Convention and Agreements of the Union Articles of correspondence 1. The provisions of this Convention and its Regulations of Execu- tion will regulate all matters and services relative to correspondence. 2. The other services will be governed by the Agreements of this Union, by those which the countries may sign among themselves on the subject, or, in their absence, by those of the Universal Postal Union. 3. The denomination "articles of correspondence" applies to letters, single and reply post cards, commercial papers, prints, raised print for the use of the blind, samples of merchandise, small packets, and phonopostal articles. 4. The exchange of small packets and phonopostal articles will be restricted to the countries which agree to execute it, either in their reciprocal relations or in only one direction. ARTICLE 5 Postage rates 1. The postage rates of the domestic service of each country will govern in the relations of the countries which constitute the Postal Union of the Americas and Spain, except when said domestic rates are higher than those applicable to correspondence destined for coun- tries of the Universal Postal Union, in which case the latter will govern. 2. The international rates will also govern when it is a question of services which do not exist in the domestic regime. 3. For small packets the rate will govern which is determined in Article 6 of this Convention. stoge charge. 4. The contracting Powers may fix a storage charge, upon previous agreement among the interested Administrations, for printed matter, when they deem it desirable. 3506
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