Stockholm Act (1967): A notification was deposited by the Government of the Czechoslovak Socialist Republic 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 August 4, 1970. Pursuant to the provisions of the said Article, the Czechoslovak Socialist Republic, 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. (see Berne Notification No. 25)
Accession to the Paris Act (1971) by the Czechoslovak Socialist Republic was accompanied by the following declaration: "Acceding to the Convention we declare that the Czechoslovak Socialist Republic does not consider itself bound by provisions of Article 33, paragraph 1 and that the provisions of Article 31 are in contradiction with the Declaration of the United Nations General Assembly on granting independence to colonial countries and peoples". (Translation)
This declaration was withdrawn on June 11, 1991 by the Czech and Slovak Federal Republic. (see Berne Notification No. 133)
Accession by the Czechoslovak Republic to the Berlin Act (1908) and the Berne Additional Protocol (1914): February 22, 1921; Entry into force: February 22, 1921. Signature of the Rome Act (1928): June 2, 1928; Accession: October 23, 1936; Entry into force: November 30, 1936. Signature of the Brussels Act (1948): June 26, 1948. Accession to the Paris Act (1971) by the Czechoslovak Socialist Republic: January 10, 1980; Entry into force: April 11, 1980. Declaration of continued application by the Slovak Republic: December 30, 1992. Entry into force date given as date of independence.