3400 INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [62 STAT. Table of the Articles of the PROVISIONS CONCERNING THE TRANSPORTATION OF REGULAR MAILS BY AIR 1. AIR -MAIL PROVISIONS OF THE CONVENTION. CHAPTER I. Generalprovisions. Art. 1. Articles of correspondence admitted to air transportation. 2. Freedom of transit. 3. Dispatch of air-mail correspondence. 4. Air transportation over part of the route only. 5. Rates and general conditions for acceptance of air-mail correspondence. 6. Unprepafd or insufficiently prepaid air-mail correspondence. 7. Delivery of air-mail correspondence. 8. Redirection and return of air-mail correspondence. CHAPTER II. Registered or insured articles. Art. 9 . Registered articles. 10. Return receipt. 11. Responsibility. 12. Insured articles. CHAPTER III. Allocation of air-transportationsurcharges. Transportationcharges. Art. 13. Allocation of surcharges. 14. Air-transportation charges for closed mails. 15. Transportation charges for air-mail correspondence in open mail. CHAPTER IV. InternationalBureau. Art. 16. Communications to be addressed to the International Bureau and to the Administrations. CHAPTER V. Accounting. Settlement of accounts. Art. 17. Accounting statistics. 18. Preparation of ordinary or air-mail dispatches during the statistical periods for air-mail transportation charges. 19. Fixing the weight of air-mail dispatches and correspondence. 20. List of closed air mails. 21. Account of air-transportation charges settled on the basis of statistics. 22. Air-transportation account. 23. General account.
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