Accession to the Paris Act (1971) Articles 22-38 accompanied by the following declaration: "The People's Republic of Bulgaria is of the opinion that the provisions of Article 31 concerning the application of the Convention by any country of the Union to the territories for the external relations of which it is responsible are contrary to the Declaration of the United Nations General Assembly of December 14, 1960 on the Granting of Independence to Colonial Countries and Peoples." (Translation).
Accession to the Paris Act (1971) Articles 22-38 subject to the following reservation: "The People's Republic of Bulgaria does not consider itself bound by the provisions of Article 33(1) concerning the compulsory jurisdiction of the International Court of Justice. Any dispute between the countries of the Union concerning the interpretation or application of the Convention, not settled by negotiation, may be brought before the International Court of Justice, only if the parties concerned expressly agree in each particular case." (Translation).
This reservation was withdrawn on May 3, 1994.
Stockholm Act (1967): Bulgaria availed itself of the reservation provided for in Article 33(2), declaring that it did not consider itself bound by the provisions of paragraph (1) of that Article.
Stockholm Act (1967): A notification was deposited by the Government of the People's Republic of Bulgaria in which that Government indicated its desire to avail itself of the provisions of Article 38(2) of the Stockholm Act of the Berne Convention. This notification entered into force on the date of its receipt, that is, on March 24, 1970. Pursuant to the provisions of the said Article, the People's Republic of Bulgaria, which was a member of the Berne Union, could, for five years from April 26, 1970, the date of entry into force of the Convention Establishing the World Intellectual Property Organization (WIPO), exercise the rights provided under Articles 22 to 26 of the Stockholm Act of the Berne Convention, as if it were bound by those Articles.
Signature of the Stockholm Act (1967) included the following declaration: "The People's Republic of Bulgaria declares that it will admit the application of the provisions of the Protocol Regarding Developing Countries to works in respect of which it is the country of origin in regard to developing countries which, becoming bound by Article 5(1)(a), have made the reservations authorized by the Protocol."