329. It is understood that the Governments of the countries of the Union reserve to themselves respectively the right to enter into separate and particular arrangements between each other, provided always that such arrangements confer upon authors or their lawful representatives more extended rights than those granted by the Union, or embody other stipulations not contrary to the present Convention.

330. An International Office is established, under the name of "Office of the International Union for the Protection of Literary and Artistic Works."

331. This office, of which the expenses will be borne by the Administrations of all the countries of the Union, is placed under the high authority of the superior Administration of the Swiss Confederation, and works under its direction. The functions of this office are determined by common accord between the countries of the Union.

332. The present Convention may be submitted to revisions, in order to introduce therein

amendments calculated to perfect the system of the Union.

333. Questions of this kind, as well as those which are of interest to the Union in other respects, will be considered in conferences to be held successively in the countries of the Union by delegates of the said countries.

334. It is understood that no alteration in the present Convention shall be binding on the Union except by the unanimous consent of the countries composing it.

335. Countries which have not become parties to the present Convention, and which grant by their domestic law the protection of rights secured by this Convention, shall be admitted to accede thereto on request to that effect.

336. Such accession shall be notified in writing to the Government of the Swiss Confederation, who will communicate it to all the other countries of the Union.

337. Such accession shall imply full adhesion

to all the clauses and admission to all the advantages by the present Convention.

338. Countries acceding to the present Convention shall also have the right to accede thereto at any time for their Colonies or foreign possessions.

339. They may do this either by a general declaration comprehending all these Colonies or possessions within the accession, or by specially naming those comprised therein, or by simply indicating those which are excluded.

340. The present Convention shall be put in force three months after the exchange of the ratifications, and shall remain in effect for an indefinite period, until the termination of a year from the day on which it may have been denounced.

341. Such denunciation shall be made to the Government authorized to receive accessions, and shall only be effective as regards the country making it, the Convention remaining in full force and effect for the other countries of the Union,

342. The present Convention shall be ratified, and the ratifications exchanged at Berne, within the space of one year at the latest.

The following special Treaties have been concluded on the subject of literary property :—

EUROPEAN STATES.

Austria-Hungary.

Saxony, May 26, 1865; France, January 5, 1879.

Belgium.

Spain, April 30, 1859, January 17, 1880; Prussia, March 28, 1863; Portugal, October 11, 1866; France, February 7, 1874, September 29, 1879, May 27, 1881.

France.

Belgium, May 27, 1861; Austria-Hungary, January 5, 1879; Germany, April 19, 1883.

Germany.

Italy, May 12, 1869, June 20, 1884; Switzerland, May 13, 1869, May 23, 1881; France, April 19, 1883.

Great Britain.

Prussia, May 13, 1846, June 14, 1855; Hanover, August 4, 1847; France, October 27, 1851; Switzerland, October 30, 1858; Spain, August 11, 1880.

Hanover.

Great Britain, August 4, 1847.

Italy.

Germany, May 12, 1869, June 20, 1884; Switzerland, January 28, 1879; Spain, June 28, 1880; Sweden and Norway, October 9, 1884.

Portugal.

Belgium, October 11, 1866.

Prussia.

Great Britain, May 13, 1846, June 14, 1855; Belgium, March 28, 1863.

Austria, May 26, 1865.

Saxony.

Spain.

Belgium, April 30, 1859, January 16, 1880; Italy, June 28, 1880; Great Britain, August 11, 1880.

Sweden and Norway.

Italy, October 9, 1884.

Switzerland.

Great Britain, October 30, 1858; Germany, May 13, 1869, May

23, 1881; Italy, January 28, 1879.