| Act(s) | Article(s) | Signature | Instrument | Entry into Force |
|---|---|---|---|---|
| Stockholm Act (1967) | 1 - 12 | January 11, 1968 | Ratification : February 19, 1970 | May 19, 1970 |
| Stockholm Act (1967) | 13 - 30 | January 11, 1968 | Ratification : February 19, 1970 | May 27, 1970 |
| Lisbon Act (1958) | Accession : December 10, 1965 | March 28, 1966 | ||
| London Act (1934) | Accession : December 10, 1965 | March 28, 1966 | ||
| The Hague Act (1925) | Accession : December 10, 1965 | March 28, 1966 | ||
| Washington Act (1911) | Accession : April 30, 1921 | June 13, 1921 |
Signature and ratification of the Stockholm Act (1967) were accompanied by the following declaration: "The People's Republic of Bulgaria considers that the provisions of Article 24 of the Convention, which grant to countries the right to extend the application of the Convention to territories for which they are responsible, are contrary to modern international law and to the Resolution of the General Assembly of the United Nations on the grant of independence to colonial countries and peoples." (see Paris Notification No. 1 and No. 15)
Stockholm Act (1967): With the declaration provided for in Article 28(2) relating to the International Court of Justice. This declaration was withdrawn on May 3, 1994. (see Paris Notification No. 15 and No. 152)
Signature and ratification of the Stockholm Act (1967) were accompanied by the following declaration: "The People's Republic of Bulgaria considers that the provisions of Article 24 of the Convention, which grant to countries the right to extend the application of the Convention to territories for which they are responsible, are contrary to modern international law and to the Resolution of the General Assembly of the United Nations on the grant of independence to colonial countries and peoples." (see Paris Notification No. 1 and No. 15)
Stockholm Act (1967): With the declaration provided for in Article 28(2) relating to the International Court of Justice. This declaration was withdrawn on May 3, 1994. (see Paris Notification No. 15 and No. 152)
Stockholm Act (1967) - Articles 1 to 12: Alternative entry into force date: May 27, 1970 - communicated to the States concerned by the Director General of WIPO. (see Paris Notification No. 16)
Stockholm Act (1967) - Articles 1 to 12: Alternative entry into force date: May 27, 1970 - communicated to the States concerned by the Director General of WIPO. (see Paris Notification No. 16)