Convention on the Continental Shelf (April 29, 1958)

Countries/Territories	Entry into force	Ratification *	Simple signature	Reservation
Afghanistan	-	-	Oct 30, 1958	-
Albania	Jan 6, 1965	Dec 7, 1964 [2]	-	-
Argentina	-	-	Apr 29, 1958	-
Australia	Jun 10, 1964	May 14, 1963 [1]	Oct 30, 1958	-
Bolivia (Plurinational State of)	-	-	Oct 17, 1958	-
Bosnia and Herzegovina	Jan 12, 1994	Jan 12, 1994 [4]	-	-
Bulgaria	Jun 10, 1964	Aug 31, 1962 [2]	-	-
Belarus	Jun 10, 1964	Feb 27, 1961 [1]	Oct 31, 1958	-
Cambodia	Jun 10, 1964	Mar 18, 1960 [2]	-	-
Canada	Mar 8, 1970	Feb 6, 1970 [1]	Apr 29, 1958	-
Chile	-	-	Oct 31, 1958	-
Colombia	Jun 10, 1964	Jan 8, 1962 [1]	Apr 29, 1958	-
Costa Rica	Mar 17, 1972	Feb 16, 1972 [1]	Apr 29, 1958	-
Croatia	Aug 3, 1992	Aug 3, 1992 [4]	-	-
Cuba	-	-	Apr 29, 1958	-
Cyprus	May 11, 1974	Apr 11, 1974 [2]	-	-
Czech Republic	Feb 22, 1993	Feb 22, 1993 [4]	-	-
Denmark	Jun 10, 1964	Jun 12, 1963 [1]	Apr 29, 1958	-
Dominican Republic	Sep 10, 1964	Aug 11, 1964 [1]	Apr 29, 1958	-
Ecuador	-	-	Oct 31, 1958	-
Fiji	Apr 27, 1971	Mar 25, 1971 [4]	-	-
Finland	Mar 18, 1965	Feb 16, 1965 [1]	Oct 27, 1958	-
France	Jul 14, 1965	Jun 14, 1965 [2]	-	Jun 14, 1965
Germany	-	-	Oct 30, 1958	-
Ghana	-	-	Apr 29, 1958	-
Greece	Dec 6, 1972	Nov 6, 1972 [2]	-	Nov 6, 1972
Guatemala	Jun 10, 1964	Nov 27, 1961 [1]	Apr 29, 1958	-
Haiti	Jun 10, 1964	Mar 29, 1960 [1]	Apr 29, 1958	-
Iceland	-	-	Apr 29, 1958	-
Indonesia	-	-	May 8, 1958	-
Iran, Islamic Republic of	-	-	May 28, 1958	May 28, 1958
Ireland	-	-	Oct 2, 1958	-
Israel	Jun 10, 1964	Sep 6, 1961 [1]	Apr 29, 1958	-
Jamaica	Nov 7, 1965	Oct 8, 1965 [2]	-	-
Kenya	Jul 20, 1969	Jun 20, 1969 [2]	-	-
Latvia	Jan 2, 1993	Dec 2, 1992 [2]	-	-
Lebanon	-	-	May 29, 1958	-
Lesotho	Oct 23, 1973	Oct 23, 1973 [4]	-	-
Liberia	-	-	May 27, 1958	-
Madagascar	Jun 10, 1964	Jul 31, 1962 [2]	-	-
Malawi	Dec 3, 1965	Nov 3, 1965 [2]	-	-
Malaysia	Jun 10, 1964	Dec 21, 1960 [2]	-	-
Malta	Jun 18, 1966	May 19, 1966 [4]	-	-
Mauritius	Nov 4, 1970	Oct 5, 1970 [4]	-	-
Mexico	Sep 1, 1966	Aug 2, 1966 [2]	-	-
Nepal	-	-	Apr 29, 1958	-
Netherlands	Mar 19, 1966	Feb 18, 1966 [1]	Oct 31, 1958	-
New Zealand	Feb 17, 1965	Jan 18, 1965 [1]	Oct 29, 1958	-
Nigeria	May 28, 1971	Apr 28, 1971 [2]	-	-
Norway	Oct 9, 1971	Sep 9, 1971 [2]	-	-
Pakistan	-	-	Oct 31, 1958	-
Panama	-	-	May 2, 1958	-
Peru	-	-	Oct 31, 1958	-
Poland	Jun 10, 1964	Jun 29, 1962 [1]	Oct 31, 1958	-
Portugal	Jun 10, 1964	Jan 8, 1963 [1]	Oct 28, 1958	-
Romania	Jun 10, 1964	Dec 12, 1961 [2]	-	-
Russian Federation	Jun 10, 1964	Nov 22, 1960 [1]	Oct 31, 1958	-
Senegal	Jun 10, 1964	Apr 25, 1961 [2]	-	-
Sierra Leone	Dec 25, 1966	Nov 25, 1966 [2]	-	-
Slovakia	May 28, 1993	May 28, 1993 [4]	-	-
Solomon Islands	Oct 3, 1981	Sep 3, 1981 [4]	-	-
South Africa	Jun 10, 1964	Apr 9, 1963 [2]	-	-
Spain	Mar 27, 1971	Feb 25, 1971 [2]	-	-
Sri Lanka	-	-	Oct 30, 1958	-
Eswatini, Kingdom of	Nov 15, 1970	Oct 16, 1970 [2]	-	-
Sweden	Jul 1, 1966	Jun 1, 1966 [2]	-	-
Switzerland	Jun 17, 1966	May 18, 1966 [1]	Oct 22, 1958	-
Thailand	Aug 1, 1968	Jul 2, 1968 [1]	Apr 29, 1958	-
Tonga	Jul 29, 1971	Jul 29, 1971 [4]	-	-
Trinidad and Tobago	Aug 10, 1968	Jul 11, 1968 [2]	-	-
Tunisia	-	-	Oct 30, 1958	-
Uganda	Oct 14, 1964	Sep 14, 1964 [2]	-	-
Ukraine	Jun 10, 1964	Jan 12, 1961 [1]	Oct 31, 1958	-
United Kingdom	Jun 10, 1964	May 11, 1964 [1]	Sep 9, 1958	-
United States of America	Jun 10, 1964	Apr 12, 1961 [1]	Sep 15, 1958	-
Uruguay	-	-	Apr 29, 1958	-
Venezuela, Boliv. Rep. of	Jun 10, 1964	Aug 15, 1961 [1]	Oct 30, 1958	Aug 15, 1961
Serbia	Mar 12, 2001	Mar 12, 2001 [4]	-	Mar 12, 2001
Montenegro	Oct 23, 2006	Oct 23, 2006 [4]	-	Oct 23, 2006

* [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature