| Act(s) | Article(s) | Signature | Instrument | Entry into Force |
|---|---|---|---|---|
| Paris Act (1971) | August 12, 1971 | Ratification : June 29, 1999 | September 29, 1999 | |
| Stockholm Act (1967) | 22 - 38 | July 14, 1967 | Ratification : October 7, 1974 | February 12, 1975 |
| Brussels Act (1948) | June 26, 1948 | Ratification : June 15, 1951 | August 1, 1951 | |
| Rome Act (1928) | June 2, 1928 | Accession : August 23, 1934 | October 7, 1934 | |
| Berne Additional Protocol (1914) | March 20, 1914 | Ratification : November 4, 1921 | November 4, 1921 | |
| Berlin Act (1908) | November 13, 1908 | Ratification : June 9, 1910 | September 9, 1910 | |
| Paris Additional Act (1896) | May 4, 1896 | Ratification : September 9, 1897 | December 9, 1897 |
Stockholm Act (1967): The instrument of ratification contained a declaration provided for in Article 28(1)(b)(i) of the said Act to the effect that the ratification does not apply to Articles 1 to 21 and to the Protocol Regarding Developing Countries. (see Berne Notification No. 62)
Stockholm Act (1967): A notification was deposited by the Government of the Kingdom of Belgium 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 May 20, 1970. Pursuant to the provisions of the said Article, the Kingdom of Belgium, 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. 20)