| Act(s) | Article(s) | Signature | Instrument | Entry into Force |
|---|---|---|---|---|
| Stockholm Act (1967) | Accession : July 8, 1998 | October 8, 1998 | ||
| Lisbon Act (1958) | Accession : September 17, 1963 | November 19, 1963 |
Stockholm Act (1967): With the declaration provided for in Article 28(2) relating to the International Court of Justice. (see Paris Notification No. 187)