- 3d class. Countries whose commerce regularly amounts to from five hundred millions to two thousand millions of francs: 25 units.
- 4th class. Countries whose commerce regularly amounts to from one hundred to five hundred millions of francs: 20 units.
- 5th class. Countries whose commerce regularly amounts to from fifty to one hundred millions of francs: 15 units.
- 6th class. Countries whose commerce regularly amounts to less than 50 millions of francs: 5 units.
Art. 10. In the case of countries whose language is not used by the International Bureau, the above figures shall be reduced two-fifths, respectively. The following reductions shall therefore be made:
- The quota of the first class shall be reduced to 33 units.
- The quota of the second class shall be reduced to 24 units.
- The quota of the third class shall be reduced to 15 units.
- The quota of the fourth class shall be reduced to 12 units.
- The quota of the fifth class shall be reduced to 9 units.
- The quota of the sixth class shall be reduced to 3 units.
Art. 11. The sum total of the annual expenditure, divided by the sum of the units assigned to the various contracting States, in pursuance of the foregoing provisions, shall give the unit of expenditure. This unit, multiplied by the number of units assigned to each of these States, shall show the amount of the quota payable by it for the support of the International Bureau.
Art. 12. In order to enable the Institution to edit the International Customs Bulletin as accurately as possible, the contracting parties shall send it, directly and without delay, two copies:
- (a) of their customs law and their customs tariff, carefully brought up to date.
- (b) of all provisions that shall ultimately modify said law and tariff.
- (c) of the circulars and instructions that shall be addressed by the said Governments to their custom-houses concerning the application of the tariff or the classification of goods, and that can be made public.
- (d) of their treaties of commerce, international conventions and domestic laws having adirect bearing upon the existing tariffs.
Art. 13. A set of regulations providing for the execution of this convention, having the same force as the convention itself, shall determine the manner of publication of the Bulletin of the Union in everything relating to the budget of the International Bureau and to the internal organization of the service.
Art. 14. The States and colonies that have not yet taken part in this convention shall have the privilege of acceding thereto hereafter.
Notice of accession shall be given, in writing, to the Belgian Government, which shall, in turn, commmunicate such notice to all the other contracting Governments. Accession shall imply adhesion to all the clauses contained in, and the enjoyment of all advantages provided for by, this convention.
