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1. Member countries shall notify the International Bureau, within six months of the end of Congress, of the name and address of the governmental body responsible for overseeing postal affairs. Within six months of the end of Congress, member countries shall also provide the International Bureau with the name and address of the operator or operators officially designated to operate postal services and to fulfil the obligations arising from the Acts of the Union on their territory. Between Congresses, member countries shall notify the International Bureau of any changes in the governmental bodies as soon as possible. Any changes with regard to the officially designated operators shall also be notified to the International Bureau as soon as possible, and preferably at least three months prior to the entry into force of the change.
2. When a member country officially designates a new operator, it shall indicate the scope of the postal services that the latter will provide under the Acts of the Union, as well as the operator’s geographical coverage on its territory.