3310 INTERNATIONAL AGREEMEINTS OTHER THAN TREATIES [62 STAT. 3. Notice of adhesion to one or more of those agreements is given in accordance with the provisions of Article 3, Section 2. ARTICLE 5. Regulations of Execution. The Postal Administrations of the countries of the Union draw up, by mutual agreement, in the form of Regulations of Execution, the measures of procedure and detail necessary for the execution of the Convention and the Agreements. ARTICLE 6. Restricted Unions. Special Agreements. 1. The countries of the Union and, insofar as their legislation is not opposed to it, the Administrations, may establish restricted Unions and make special agreements among themselves concerning the subjects dealt with in the Convention and its Regulations, on the condition, however, that they do not introduce therein any pro- visions less favorable, for the public, than those which are provided for by those Acts. 2. The same option is granted to the countries which participate in the Agreements and, should the occasion arise, to their Admin- istrations, in regard to the subjects contemplated by those Acts and their Regulations. ARTICLE 7. Domestic legislation. The provisions of the Convention and Agreements of the Union do not prejudice the legislation of any country concerning anything which is not expressly provided for by those Acts. ARTICLE 8. Colonies, Protectorates,etc. The following are considered as forming a single country or a single Administration of the Union, as the case may be, in the sense of the Convention and Agreements, particularly in regard to their right to vote in Congresses and Conferences and in the interval between meetings, as well as their contribution to the expenses of the International Bureau of the Universal Postal Union: 1° The whole of the Possessions of the United States of America, comprising Hawaii, Puerto Rico, Guam, and the Virgin Islands of the United States of America; 2° The Colony of the Belgian Congo; 3° The whole of the Spanish Colonies; 4° Algeria; 5° Indochina; 6° The whole of the other Overseas Territories of the French Republic and Territories administered as such;
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