Accession to the London Act (1934) by the Federation of Rhodesia and Nyasaland: September 25, 1957; Entry into force: April 1, 1958. Signature of the Lisbon Act (1958): October 31, 1958; Accession by Southern Rhodesia: September 2, 1964; Entry into force: April 6, 1965. Declaration of succession to the Lisbon Act (1958) by the Republic of Zimbabwe: September 29, 1981. Entry into force date given as date of independence.
| Act(s) | Article(s) | Signature | Instrument | Entry into Force |
|---|---|---|---|---|
| Stockholm Act (1967) | Accession : September 29, 1981 | December 30, 1981 | ||
| Lisbon Act (1958) | Declaration/Notification of Succession : September 29, 1981 | April 18, 1980 |