Participant	Action	Date of Notification/Deposit	Date of Effect
Afghanistan	Accession	30/08/2005	28/11/2005
Albania	Accession	18/08/1992	16/11/1992
Algeria	Succession	21/02/1963	03/07/1962
Angola	Accession	23/06/1981
Antigua and Barbuda	Accession	07/09/1995	06/12/1995
Argentina	Objection	03/10/1983
Argentina	Declaration	30/11/1984
Argentina	Accession	15/11/1961	13/02/1962
Armenia	Accession	06/07/1993	04/10/1993
Australia	Extension	01/12/1967
Australia	Withdrawal of reservation	11/03/1971
Australia	Territorial application	22/01/1954
Australia	Withdrawal of reservation	01/12/1967
Australia	Accession	22/01/1954	22/04/1954
Austria	Signature	28/07/1951
Austria	Ratification	01/11/1954	30/01/1955
Azerbaijan	Accession	12/02/1993	13/05/1993
Bahamas	Accession	15/09/1993	14/12/1993
Belarus	Accession	23/08/2001	21/11/2001
Belgium	Objection	05/11/1984
Belgium	Signature	28/07/1951
Belgium	Ratification	22/07/1953	22/04/1954
Belize	Accession	27/06/1990	25/09/1990
Bolivia	Accession	09/02/1982	10/05/1982
Bosnia and Herzegovina	Succession	01/09/1993	06/03/1992
Botswana	Extension	21/01/1983
Botswana	Notification	29/04/1986
Botswana	Accession	06/01/1969	06/04/1969
Brazil	Withdrawal of reservation	07/04/1972
Brazil	Notification	14/02/1990
Brazil	Signature	15/07/1952
Brazil	Ratification	16/11/1960	14/02/1961
Bulgaria	Accession	12/05/1993	10/08/1993
Burundi	Accession	19/07/1963	17/10/1963
Cambodia	Accession	15/10/1992	13/01/1993
Cameroon	Declaration	29/12/1961
Cameroon	Succession	23/10/1961	01/01/1960
Canada	Accession	04/06/1969	02/09/1969
Central African Republic	Succession	04/09/1962	14/08/1960
Chad	Accession	19/08/1981	17/11/1981
Chile	Accession	28/01/1972	27/04/1972
China	Communication	03/12/1999
China	Accession	24/09/1982	23/12/1982
Colombia	Signature	28/07/1951
Colombia	Ratification	10/10/1961	08/01/1962
Congo (Brazzaville)	Notification	15/10/1962
Congo (Brazzaville)	Succession	15/10/1962
Costa Rica	Accession	28/03/1978	26/06/1978
Croatia	Succession	12/10/1992	08/10/1991
Cyprus	Succession	16/05/1963	16/08/1960
Czech Republic	Succession	11/05/1993	01/01/1993
Czechoslovakia	Accession	26/11/1991	24/02/1992
Dahomey	Extension	06/07/1970
Dahomey	Succession	04/04/1962	01/08/1960
Democratic Republic of the Congo	Accession	19/07/1965	17/10/1965
Denmark	Withdrawal of reservation	23/08/1962
Denmark	Withdrawal of reservation	25/03/1968
Denmark	Territorial application	04/12/1952
Denmark	Signature	28/07/1951
Denmark	Ratification	04/12/1952	22/04/1954
Djibouti	Succession	09/08/1977
Dominica	Accession	17/02/1994	18/05/1994
Dominican Republic	Accession	04/01/1978	04/04/1978
Ecuador	Extension	05/09/1972
Ecuador	Accession	17/08/1955	15/11/1955
Egypt	Communication	27/10/1981
Egypt	Declaration	24/09/1981
Egypt	Accession	22/05/1981	20/08/1981
El Salvador	Accession	28/04/1983	27/07/1983
Equatorial Guinea	Accession	07/02/1986	08/05/1986
Estonia	Accession	10/04/1997	09/07/1997
Ethiopia	Objection	10/01/1979
Ethiopia	Accession	10/11/1969	08/02/1970
Federal Republic of Germany	Signature	19/11/1951
Federal Republic of Germany	Objection	05/12/1984
Federal Republic of Germany	Ratification	01/12/1953	22/04/1954
Federal Republic of Germany	Territorial application	15/12/1955	22/04/1954
Fiji	Succession	12/06/1972
Finland	Partial withdrawal of reservations	07/10/2004
Finland	Accession	10/10/1968	08/01/1969
France	Signature	11/09/1952
France	Territorial application	23/06/1954
France	Objection	23/10/1984
France	Extension	03/02/1971
France	Ratification	23/06/1954	21/09/1954
Gabon	Accession	27/04/1964	26/07/1964
Gambia	Succession	07/09/1966
Georgia	Accession	09/08/1999	07/11/1999
German Democratic Republic	Accession	04/09/1990	03/12/1990
Ghana	Accession	18/03/1963	16/06/1963
Greece	Signature	10/04/1952
Greece	Withdrawal of reservation	19/04/1978
Greece	Ratification	05/04/1960	04/07/1960
Greece	Withdrawal of reservation	27/02/1995	27/02/1995
Guatemala	Withdrawal of declaration	26/04/2007
Guatemala	Accession	22/09/1983	21/12/1983
Guinea	Succession	28/12/1965	02/03/1958
Guinea-Bissau	Accession	11/02/1976	11/05/1976
Haiti	Accession	25/09/1984	24/12/1984
Holy See	Signature	21/05/1952
Holy See	Ratification	15/03/1956	13/06/1956
Honduras	Withdrawal of reservation	29/05/2013
Honduras	Accession	23/03/1992	21/06/1992
Hungary	Declaration	08/01/1998
Hungary	Accession	14/03/1989	12/06/1989
Iceland	Accession	30/11/1955
Iran	Accession	28/07/1976	26/10/1976
Ireland	Withdrawal of reservation	23/10/1968
Ireland	Accession	29/11/1956	27/02/1957
Israel	Signature	01/08/1951
Israel	Ratification	01/10/1954	30/12/1954
Italy	Objection	26/11/1984
Italy	Withdrawal of reservation	01/03/1990
Italy	Signature	23/07/1952
Italy	Withdrawal of reservation	20/10/1964
Italy	Notification	01/03/1990	01/03/1990
Italy	Ratification	15/11/1954	13/02/1955
Ivory Coast	Notification	20/12/1966
Ivory Coast	Succession	08/12/1961
Jamaica	Succession	30/07/1964	06/08/1962
Japan	Accession	03/10/1981	01/01/1982
Kazakhstan	Accession	15/01/1999	15/04/1999
Kenya	Accession	16/05/1966	14/08/1966
Kyrgyzstan	Accession	08/10/1996	06/01/1997
Latvia	Declaration	03/11/1997
Latvia	Accession	31/07/1997	29/10/1997
Lesotho	Accession	14/05/1981	12/08/1981
Liberia	Accession	15/10/1964	13/01/1965
Liechtenstein	Withdrawal of reservation	13/10/2009
Liechtenstein	Signature	28/07/1951
Liechtenstein	Ratification	08/03/1957	06/06/1957
Liechtenstein	Withdrawal of reservation	13/10/2009	13/10/2009
Lithuania	Accession	28/04/1997	27/07/1997
Luxembourg	Declaration	15/11/1984
Luxembourg	Extension	22/08/1972
Luxembourg	Signature	28/07/1951
Luxembourg	Ratification	23/07/1953	22/04/1954
Madagascar	Accession	18/12/1967	17/03/1968
Malawi	Declaration	04/02/1988
Malawi	Accession	10/12/1987	09/03/1988
Mali	Succession	02/02/1973
Malta	Withdrawal of reservation	24/02/2004
Malta	Change in the classification	17/01/2002
Malta	Partial withdrawal of reservation and declaration	17/01/2002
Malta	Accession	17/06/1971	15/09/1971
Mauritania	Accession	05/05/1987	03/08/1987
Mexico	Partial withdrawal of reservation	11/07/2014
Mexico	Accession	07/06/2000	05/09/2000
Monaco	Accession	18/05/1954	16/08/1954
Montenegro	Succession	10/10/2006	03/06/2006
Morocco	Succession	07/11/1956	02/03/1956
Mozambique	Accession	16/12/1983	15/03/1984
Namibia	Accession	17/02/1995	18/05/1995
Nauru	Accession	28/06/2011	26/09/2011
Netherlands	Signature	28/07/1951
Netherlands	Objection	11/12/1984
Netherlands	Ratification	03/05/1956	01/08/1956
Netherlands	Territorial application	29/07/1971	27/10/1971
New Zealand	Accession	30/06/1960	28/09/1960
Nicaragua	Accession	28/03/1980	26/06/1980
Niger	Notification	07/12/1964
Niger	Succession	25/08/1961
Nigeria	Accession	23/10/1967	21/01/1968
Norway	Signature	28/07/1951
Norway	Ratification	23/03/1953	22/04/1954
Panama	Accession	02/08/1978	31/10/1978
Papua New Guinea	Partial withdrawal of reservation	20/08/2013
Papua New Guinea	Accession	17/07/1986	15/10/1986
Paraguay	Withdrawal of declaration	10/01/1991
Paraguay	Declaration	10/01/1991
Paraguay	Accession	01/04/1970	30/06/1970
Peru	Notification	08/12/1980
Peru	Accession	21/12/1964	21/03/1965
Philippines	Accession	22/07/1981	20/10/1981
Poland	Accession	27/09/1991	26/12/1991
Portugal	Communication	18/11/1999
Portugal	Renewal of reservation(s)	13/07/1976	13/07/1976
Portugal	Extension	13/07/1976	13/07/1976
Portugal	Accession	22/12/1960	22/03/1961
Portugal	Territorial application	27/04/1999	26/07/1999
Republic of Korea	Accession	03/12/1992	03/03/1993
Republic of Korea	Withdrawal of reservation	01/09/2009	08/09/2009
Republic of Moldova	Accession	31/01/2002	01/05/2002
Republic of the Congo	Succession	15/10/1962	15/08/1960
Romania	Accession	07/08/1991	05/11/1991
Russian Federation	Accession	02/02/1993	03/05/1993
Rwanda	Accession	03/01/1980	02/04/1980
Samoa	Accession	21/09/1988	20/12/1988
Sao Tome and Principe	Accession	01/02/1978	02/05/1978
Senegal	Notification	12/10/1964
Senegal	Succession	02/05/1963	20/06/1960
Seychelles	Accession	23/04/1980	22/07/1980
Sierra Leone	Accession	22/05/1981	20/08/1981
Slovakia	Succession	04/02/1993	01/01/1993
Slovenia	Declaration	16/12/1992
Slovenia	Succession	06/07/1992	25/06/1991
Solomon Islands	Accession	28/02/1995	29/05/1995
Somalia	Accession	10/10/1978	08/01/1979
South Africa	Accession	12/01/1996	11/04/1996
South Sudan	Accession	10/12/2018	10/03/2019
Spain	Accession	14/08/1978	12/11/1978
St. Kitts and Nevis	Accession	01/02/2002	02/05/2002
St. Vincent and the Grenadines	Accession	03/11/1993	01/02/1994
Sudan	Accession	22/02/1974	23/05/1974
Suriname	Succession	29/11/1978
Swaziland	Accession	14/02/2000	14/05/2000
Sweden	Signature	28/07/1951
Sweden	Withdrawal of reservation	05/03/1970
Sweden	Withdrawal of reservation	14/11/2019
Sweden	Withdrawal of reservation	20/04/1961	01/07/1961
Sweden	Ratification	26/10/1954	24/01/1955
Switzerland	Withdrawal of reservation	18/02/1963
Switzerland	Withdrawal of reservation	03/07/1972
Switzerland	Signature	28/07/1951
Switzerland	Withdrawal of reservation	17/12/1980	01/01/1981
Switzerland	Ratification	21/01/1955	21/04/1955
Tajikistan	Accession	07/12/1993	07/03/1994
The former Yugoslav Republic of Macedonia	Succession	18/01/1994	17/11/1991
Timor-Leste	Accession	07/05/2003	06/08/2003
Togo	Notification	23/10/1962
Togo	Succession	27/02/1

...