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Article X.
Notice of Changes in Organisation.
The Postal Administrations of China and Hongkong will communicate to each other the changes which may take place in the organisation and arrivals and departure of their respective services for the transport of mails, whenever notice of such changes may prove useful to the two Administrations or to the Foreign Administrations that have recourse to their intermediation.
Article XI.
Extent of Present Arrangement.
The Postal Administration of China, though it has not yet subscribed to the Treaties of the Universal Postal Union, hereby agrees to abide, as far as the present Arrangement is concerned, by the stipulations of the "Convention Principale" and of the "Reglement d'Ordre et de Detail", concluded at Washington on the 15th June, 1897.
The present Arrangement will thus form, with the documents of the Postal Union mentioned above, the whole of the dispositions to be, as far as possible, observed in the postal relations between the Chinese Post Offices and Hongkong and the British Postal Agencies in China.
Article XII.
Duration of Arrangement.
The present Arrangement will be gradually put in force as soon as possible, and will remain in force for an indeterminate period. The two Administrations may, however, at any time introduce in it any such modifications as they, on consultation, may find necessary, or bring the Arrangement to an end by giving notice six months in advance.
Done in duplicate at
on the
and signed: