1ilSTAT.] MULTILATERAL-POSTAL UNION-SEPT. 25, 1946 of them, both closed mails and correspondence in open mail, under the conditions fixed by the Convention and Regulations in force in the Universal Postal Union. 2. In cases of reforwarding, the contracting countries are bound to reforward the correspondence by the most rapid routes and means which they utilize for their own dispatches. Transportation will be gratuitous when it is a question of services which belong to its Ad- ministration, but they may charge the Administration of origin the same amounts they are obliged to pay when the onward transmission of the closed dispatches requires the services of foreign Administra- tions to which those charges must be paid. 3. When the intermediary Administrations referred to in the above Section must collect amounts from the foreign countries of origin for the use of services of foreign Administrations for onward transmission, they must make up the accounts for these expenses without exceeding, in any case, the charges fixed in the Universal Postal Union Conven- tion and provided for in the rules established in its Regulations of Execution. ARTICLE 102 Domestic postage rates and equivalents The Administrations will communicate to one another, as soon as possible, through the intermediary of the International Office of the Postal Union of the Americas and Spain, all modifications of their domestic postage rates, as well as the equivalents of said rates in gold francs. ARTICLE 103 Preparation of dispatches-Empty sacks 1. Dispatches containing correspondence exchanged between two countries of the Postal Union of the Americas and Spain will be pre- pared in accordance with the provisions of the Regulations of Execu- tion of the Convention of the Universal Postal Union. 2. The sacks utilized by the contracting Administrations for the dispatch of correspondence will be returned empty by the exchange offices of destination to those of origin, in the manner prescribed by the relative Article of said Regulations. However, Administrations may come to an agreement for the purpose of using them for the dispatch of their own correspondence. ARTICLE 104 Small packets 1. The preparation and packing of small packets will be governed by the same provisions as those fixed for samples. Moreover, the names and addresses of the senders shall appear on the outside of the articles. 2. It will be permissible to inclose in such articles an open invoice, reduced to its essential features, or else a simple copy of the address with indication of the address of the sender. 3519 54 Stat. 2049. Reforwarding. Collection of amounts from foreign countries of origin. 54 Stat. 2105. 4 Stat. 2105.
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