Appendix Declaration relating to Article XVII

The States which are members of the International Union for the Protection of Literary and Artistic Works, and which are signatories to the Universal Copyright Convention,
Desiring to reinforce their mutual relations on the basis of the said Union and to avoid any conflict which might result from the co-existence of the Convention of Berne and the Universal Convention,
Have, by common agreement, accepted the terms of the following declaration:

a) Works which, according to the Berne Convention, have as their country of origin a country which has withdrawn from the International Union created by the said Convention, after January 1, 1951, shall not be protected by the Universal Copyright Convention in the countries of the Berne Union;

b) The Universal Copyright Convention shall not be applicable to the relationships among countries of the Berne Union insofar as it relates to the protection of works having as their country of origin, within the meaning of the Berne Convention, a country of the International Union created by the said Convention.