between each other, provided always that such arrangements confer upon authors more extended rights than those granted by the Union, or embody other stipulations not contrary to the present Convention. The provisions of existing arrangements which answer to the above-mentioned conditions shall remain applicable.
Article 21.
The International Office established under the name of the "Office of the International Union for the Protection of Literary and Artistic Works" shall be maintained.
That office is placed under the high authority of the Government of the Swiss Confederation, which regulates its organization and supervises its working.
The official language of the Office shall be French.
Article 22.
The International Office collects every kind of information relative to the protection of the rights of authors over their literary and artistic works. It arranges and publishes such information. It undertakes the study of questions of general interest concerning the Union, and by the aid of documents placed at its disposal by the different Administrations, edits a periodical publication in the French language on the questions which concern the objects of the Union. The Governments of the countries of the Union reserve to themselves the power to authorize by common accord the publication by the Office of an edition in one or more other languages, if experience should show this to be requisite.
The International Office will always hold itself at the disposal of members of the Union with the view to furnish them with any special information which they may require relative to the protection of literary and artistic works.
The Director of the International Office shall make an annual report on his administration, which shall be communicated to all the members of the Union.
