3408 Domestic-service rates. Charges for articles exempt from transit charges. Poet, p. 3411. No payment to countries flown over. Operation informa- tion. INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [62 STAT. (a) European air services and other services whose operating costs are similar (class A): 3 thousandths of a franc at most; (b) Services whose maintenance requires higher costs (class B): 6 thousandths of a franc at most. 10. The transportation rates specified in Section 9 are applied proportionally to fractions of a kilogram. The dispatches or articles conveyed by the domestic service of the countries of destination are subject to the rate applicable to class A services, unless the corre- sponding countries agree not to collect any payment for such trans- portation. 11. The transportation charges mentioned are also payable for articles which are exempt from transit charges. Misdirected or missent dispatches or articles are considered, for purposes of payment of transportation charges, as having followed their normal route. However, for the conveyance of dispatches to be forwarded by services of class B, the intermediate Administration may require reimburse- ment of the transportation charges. The accounting for the air- transportation charges then takes place according to Article 21, Sections 1 and 3, of the Provisions. 12. Administrations of countries flown over have no right to any compensation for dispatches transported by air over their territory. ARTICLE 15. Transportationchargesfor air-mail correspondencein open mail. 1. The transportation charges for air-mail correspondence exchanged in open mail between two Administrations shall be calculated in accordance with the provisions of Article 14, Sections 1 to 5 and 9 to 11. However, when the territory of the country of destination of such correspondence is served by an air route making several stops on that territory, the transportation charges are calculated on the basis of an average rate proportionate to the tonnage of mail unloaded at each stop. 2. In order to determine the transportation charges, the net weight of such articles is increased by 10 per cent. 3. An Administration which delivers air-mail correspondence in transit in open mail to another Administration shall pay it the entire amount of the transportation charges calculated for all the subsequent air distance. CHAPTER IV. International Bureau. ARTICLE 16. Communications to be addressed to the International Bureau and to the Administrations. 1. The Administrations shall communicate to the International Bureau, on the forms sent to them by the latter, the necessary infor- mation concerning the operation of the air-mail service. This infor- mation includes particularly:
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