Article 3.
The present Convention shall apply to photographic works and to works produced by a process analogous to photography. The contracting countries shall be bound to make provision for their protection.
Article 4.
Authors who are subjects or citizens of any of the countries of the Union shall enjoy in countries other than the country of origin of the work, for their works, whether unpublished or first published in a country of the Union, the rights which the respective law's do now or may hereafter grant to natives as well as the rights specially granted by the present Convention.
The enjoyment and the exercise of these rights shall not be subject to the performance of any formality; such enjoyment and such exercise are independent of the existence of protection in the country of origin of the work. Consequently, apart from the express stipulations of the present Convention, the extent of protection, as well as the means of redress secured to the author to safeguard his rights, shall be governed exclusively by the laws of the country where protection is claimed.
The country of origin of the work shall be considered to be: in the case of unpublished works, the country to which the author belongs; in the case of published works, the country of first publication; and in the case of works published simultaneously in several countries of the Union, the country the laws of which grant the shortest period of protection. In the case of works published simultaneously in a country outside the Union and in a country of the Union: the latter country shall be considered exclusively as the country of origin.
By published works must be understood, for the purposes of the present Convention, works copies of which are issued by a publisher. The representation of a dramatic or dramatico-musical work, the performance of a musical work,
