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Countries which have not taken part in the present convention are admitted to adhere thereto upon their demand. Notice is given of this adhesion, through the diplomatic channel, to the Government of the Swiss Confederation, and by that Government to all the countries of the Union.


It implies, as a right, accession to all the clauses and admission to all the advantages stipulated by the present Convention.

It devolves upon the Government of the Swiss Confederation to determine, by mutual agreement with the Government of the country interested, the share to be contributed by the Administration of this latter country toward the expenses of the International Bureau, and, if necessary, the rates to be levied by that Administration in conformity with Article 7 preceding.