61 STAT.] MULTILATERAL-POSTAL UNION-SEPT. 25 , 1946 will bear interest at the rate of 5% per year payable to the latter Office. ARTICLE 20 Arbitration Every conflict or disagreement arising in the postal relations of the contracting countries will be settled by arbitration, which will be effected in the manner prescribed by the Convention of the Universal Postal Union in force. The designation of arbitrators shall be incumbent upon the signatory countries, with the intervention of the International Office of the Postal Union of the Americas and Spain, if necessary. ARTICLE 21 International Office of the Postal Union of the Americas and Spain 1. With the name of International Office of the Postal Union of the Americas and Spain, there functions in Montevideo under the general supervision of the Administration of Posts of the Oriental Republic of the Uruguay, a central Office which serves as an organ of liaison, information and consultation for countries of the Union. 2. This Office will be charged with: OeSPoSibities of a) Assembling, co-ordinating, publishing and distributing information of all kinds which specially concerns the Americo- Spanish postal service. b) Giving, at the express request of the parties concerned, its opinion on disputed questions. c) Giving, on its own initiative or at the request of any of the Administrations of the signatory countries, its opinion on all matters of a postal character which affect or relate to the general interests of the Postal Union of the Americas and Spain. d) Making known requests for modification of Acts of the Con- gress which are formulated, and giving notice of changes which are adopted. e) Making known the results obtained from the regulatory provisions and measures of importance which the Administrations adopt in their domestic service, which are communicated to it by the same Administrations as information. f) Distributing postal maps and guides which the respective Administrations send to it. g) Making a summary of Americo-Spanish postal statistics, on the basis of data which each Administration communicates to it annually, for which purpose a questionnaire with complete and de- tailed requests for postal statistical data in accordance with a scien- tific and rational plan, will be submitted to all Administrations. h) Publishing a report relative to the most rapid routes for transmission of correspondence from one of the contracting countries to another. i) Preparing a table giving in detail all maritime services de- pendent upon countries of the Postal Union of the Americas and 3513
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