Stockholm Act (1967): Ratification contained the declaration provided for in Article 28(2) relating to the International Court of Justice. This declaration was withdrawn on July 21, 1994. (see Paris Notification No. 156)
Signature of the Stockholm Act (1967) was accompanied by the following declaration: "The provisions of Article 24 of the Paris Convention, giving member States the right to extend the effects of the said Convention to the territories for the external relations of which they are responsible, are out-of-date and contrary to Resolution No. 1514/XV passed by the General Assembly of the UN on December 14, 1960." (see Paris Notification No. 1)
Stockholm Act (1967): A notification was deposited by the Government of the Polish People's Republic in which that Government indicated its desire to avail itself of the provisions of Article 30(2) of the Stockholm Act of the Paris Convention. That notification entered into force on the date of its receipt, that is, on September 15, 1970. Pursuant to the said Article, the Polish People's Republic, which was a member of the Paris 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 13 to 17 of the Stockholm Act of the Paris Convention, as if it were bound by those Articles. (see Paris Notification No. 29)
Lisbon Act (1958): Signature by the Polish People's Republic.
Stockholm Act (1967): Signature and ratification by the Polish People's Republic.