Supplementary Convention on the Abolition of Slavery, the Slave Trade, and Institutions
and Practices Similar to Slavery
Treaty data
Treaty number
007733
Date of conclusion
07-09-1956
Place of conclusion
Genève
Provisional application
Entry into force
30-04-1957
Retroactive effect
Termination
Treaty Series
Parliamentary paper
0000273808 (external link)
Consolidated text
0006246
Comment
The Convention was in force for the Netherlands Antilles from 03-12-1957 until 10-10-2010.
Kingdom of the Netherlands
Koninkrijksdeel
Provisional
Entry into force
Retroactive effect
Termination
Netherlands (in Europe)
03-12-1957
Netherlands (Bonaire)
10-10-2010
Netherlands (Sint Eustatius)
10-10-2010
Netherlands (Saba)
10-10-2010
Aruba
01-01-1986
Curaçao
10-10-2010
Sint Maarten
10-10-2010
PartiesTooltip Parties with a link have a reservation.
Party
Signature
RatificationTooltip S=Signature without reservation or requirement of ratification R=Ratification, Acceptance,
Approval or Notification A=Accession Su=Succession NK=Not Known
Entry into force
Renunciation
Termination
Afghanistan
16-11-1966 (A)
16-11-1966
Albania
06-11-1958 (A)
06-11-1958
Algeria
31-10-1963 (A)
31-10-1963
Antigua and Barbuda
25-10-1988 (Su)
01-11-1981
Argentina 13-08-1964 (A)
13-08-1964
Australia
07-09-1956
06-01-1958 (R)
06-01-1958
Austria
07-10-1963 (A)
07-10-1963
Azerbaijan
16-08-1996 (A)
16-08-1996
Bahamas
10-06-1976 (Su)
10-07-1973
Bahrain
27-03-1990 (A)
27-03-1990
Bangladesh
05-02-1985 (A)
05-02-1985
Barbados
09-08-1972 (Su)
30-11-1966
Belarus
07-09-1956
05-06-1957 (R)
05-06-1957
Belgium
07-09-1956
13-12-1962 (R)
13-12-1962
Bolivia
06-10-1983 (A)
06-10-1983
Bosnia and Herzegovina
01-09-1993 (Su)
06-03-1992
Brazil
06-01-1966 (A)
06-01-1966
Bulgaria
26-06-1957
21-08-1958 (R)
21-08-1958
Cambodia
12-06-1957 (A)
12-06-1957
Cameroon
27-06-1984 (A)
27-06-1984
Canada
07-09-1956
10-01-1963 (R)
10-01-1963
Central African Republic
30-12-1970 (A)
30-12-1970
Chile
20-06-1995 (A)
20-06-1995
China
Côte d'Ivoire
10-12-1970 (A)
10-12-1970
Croatia
12-10-1992 (Su)
08-10-1991
Cuba
10-01-1957
21-08-1963 (R)
21-08-1963
Cyprus
11-05-1962 (Su)
16-08-1960
Czech Republic
22-02-1993 (Su)
01-01-1993
Czechoslovakia (<01-01-1993)
07-09-1956
13-06-1958 (R)
13-06-1958
Democratic Republic of the Congo
28-02-1975 (A)
28-02-1975
Denmark
27-06-1957
24-04-1958 (R)
24-04-1958
Djibouti
21-03-1979 (A)
21-03-1979
Dominica
17-08-1994 (Su)
03-11-1978
Dominican Republic
31-10-1962 (A)
31-10-1962
Ecuador
29-03-1960 (A)
29-03-1960
Egypt
17-04-1958 (A)
17-04-1958
El Salvador
07-09-1956
Ethiopia
21-01-1969 (A)
21-01-1969
Fiji
12-06-1972 (Su)
10-10-1970
Finland
01-04-1959 (A)
01-04-1959
France
07-09-1956
26-05-1964 (R)
26-05-1964
Germany
07-09-1956
14-01-1959 (R)
14-01-1959
Ghana
03-05-1963 (A)
03-05-1963
Greece
07-09-1956
13-12-1972 (R)
13-12-1972
Guatemala
07-09-1956
11-11-1983 (R)
11-11-1983
Guinea
14-03-1977 (A)
14-03-1977
Haïti
07-09-1956
12-02-1958 (R)
12-02-1958
Hungary
07-09-1956
26-02-1958 (R)
26-02-1958
Iceland
17-11-1965 (A)
17-11-1965
India
07-09-1956
23-06-1960 (R)
23-06-1960
Iran
30-12-1959 (A)
30-12-1959
Iraq
07-09-1956
30-09-1963 (R)
30-09-1963
Ireland
18-09-1961 (A)
18-09-1961
Israel 07-09-1956
23-10-1957 (R)
23-10-1957
Italy
07-09-1956
12-02-1958 (R)
12-02-1958
Jamaica
30-07-1964 (Su)
06-08-1962
Jordan
27-09-1957 (A)
27-09-1957
Kazakhstan
01-05-2008 (A)
01-05-2008
Kuwait
18-01-1963 (A)
18-01-1963
Kyrgyzstan
05-09-1997 (A)
05-09-1997
Laos
09-09-1957 (A)
09-09-1957
Latvia
14-04-1992 (A)
14-04-1992
Lesotho
04-11-1974 (Su)
04-10-1966
Liberia
07-09-1956
Libya
16-05-1989 (A)
16-05-1989
Luxembourg
07-09-1956
01-05-1967 (R)
01-05-1967
Madagascar
29-02-1972 (A)
29-02-1972
Malawi
02-08-1965 (A)
02-08-1965
Malaysia
18-11-1957 (A)
18-11-1957
Mali
02-02-1973 (A)
02-02-1973
Malta
03-01-1966 (Su)
21-09-1964
Mauritania
06-06-1986 (A)
06-06-1986
Mauritius
18-07-1969 (Su)
12-03-1968
Mexico
07-09-1956
30-06-1959 (R)
30-06-1959
Mongolia
20-12-1968 (A)
20-12-1968
Montenegro
23-10-2006 (Su)
03-06-2006
Morocco
11-05-1959 (A)
11-05-1959
Nepal
07-01-1963 (A)
07-01-1963
Netherlands, the Kingdom of the
07-09-1956
03-12-1957 (R)
03-12-1957
New Zealand
26-04-1962 (A)
26-04-1962
Nicaragua
14-01-1986 (A)
14-01-1986
Niger
22-07-1963 (A)
22-07-1963
Nigeria
26-06-1961 (Su)
01-10-1960
North Macedonia
18-01-1994 (Su)
17-11-1991
Norway
07-09-1956
03-05-1960 (R)
03-05-1960
Pakistan
07-09-1956
20-03-1958 (R)
20-03-1958
Palestine 22-03-2018 (A)
22-03-2018
Paraguay
27-09-2007 (A)
27-09-2007
Peru
07-09-1956
Philippines
17-11-1964 (A)
17-11-1964
Poland
07-09-1956
10-01-1963 (R)
10-01-1963
Portugal
07-09-1956
10-08-1959 (R)
10-08-1959
Republic of the Congo
25-08-1977 (A)
25-08-1977
Romania
07-09-1956
13-11-1957 (R)
13-11-1957
Russian Federation
07-09-1956
12-04-1957 (R)
12-04-1957
Rwanda
04-10-2006 (A)
04-10-2006
Saint Lucia
14-02-1990 (Su)
22-02-1979
Saint Vincent and the Grenadines
09-11-1981 (A)
09-11-1981
San Marino
07-09-1956
29-08-1967 (R)
29-08-1967
Saudi Arabia
05-07-1973 (A)
05-07-1973
Senegal
19-07-1979 (A)
19-07-1979
Serbia
12-03-2001 (Su)
27-04-1992
Seychelles
05-05-1992 (A)
05-05-1992
Sierra Leone
13-03-1962 (Su)
27-04-1961
Singapore
28-03-1972 (Su)
09-08-1965
Slovakia
28-05-1993 (Su)
01-01-1993
Slovenia
06-07-1992 (Su)
25-06-1991
Solomon Islands
03-09-1981 (Su)
07-07-1978
Spain
21-11-1967 (A)
21-11-1967
Sri Lanka
05-06-1957
21-03-1958 (R)
21-03-1958
Sudan
07-09-1956
09-09-1957 (R)
09-09-1957
Suriname
12-10-1979 (Su)
25-11-1975
Sweden
28-10-1959 (A)
28-10-1959
Switzerland
28-07-1964 (A)
28-07-1964
Syria
17-04-1958 (A)
17-04-1958
Tanzania
28-11-1962 (A)
28-11-1962
Togo
08-07-1980 (A)
08-07-1980
Trinidad and Tobago
11-04-1966 (Su)
31-08-1962
Tunisia
15-07-1966 (A)
15-07-1966
Türkiye
28-06-1957
17-07-1964 (R)
17-07-1964
Turkmenistan
01-05-1997 (A)
01-05-1997
Uganda
12-08-1964 (A)
12-08-1964
Ukraine
07-09-1956
03-12-1958 (R)
03-12-1958
United Kingdom
07-09-1956
30-04-1957 (R)
30-04-1957
United States of America 06-12-1967 (A)
06-12-1967
Uruguay
07-06-2001 (A)
07-06-2001
Yugoslavia (< 25-06-1991)
07-09-1956
20-05-1958 (R)
20-05-1958
Zambia
26-03-1973 (Su)
24-10-1964
Zimbabwe
01-12-1998 (Su)
18-04-1980
Extensions
Australia
Extended to
Entry into force
Termination
Ashmore and Cartier Islands
06-01-1958
Australian Antarctic Territory
06-01-1958
Christmas Island
06-01-1958
Cocos Islands
06-01-1958
Coral Sea Islands
06-01-1958
Heard Island and McDonald Islands
06-01-1958
Nauru (< 31-01-1968)
06-01-1958
31-01-1968
New Guinea (< 16-09-1975)
06-01-1958
16-09-1975
Norfolk Island
06-01-1958
Papua (< 16-09-1975)
06-01-1958
16-09-1975
China
Extended to
Entry into force
Termination
Hong Kong SAR
01-07-1997
Macao SAR
20-12-1999
France
Extended to
Entry into force
Termination
Bassas da India
26-05-1964
Clipperton Island
26-05-1964
Comoros (< 06-07-1975)
26-05-1964
06-07-1975
Djibouti (< 27-06-1977)
26-05-1964
27-06-1977
Europa Island
26-05-1964
French Guiana
26-05-1964
French Polynesia
26-05-1964
French Southern and Antarctic Territories
26-05-1964
Glorioso Islands
26-05-1964
Juan de Nova Island
26-05-1964
Martinique
26-05-1964
Mayotte
26-05-1964
New Caledonia
26-05-1964
Réunion
26-05-1964
Saint Pierre and Miquelon
26-05-1964
Tromelin Island
26-05-1964
Wallis and Futuna
26-05-1964
New Zealand
Extended to
Entry into force
Termination
Cook Islands
26-04-1962
Niue
26-04-1962
Tokelau Islands
26-04-1962
Portugal
Extended to
Entry into force
Termination
Macao (<20-12-1999)
27-04-1999
20-12-1999
United Kingdom
Extended to
Entry into force
Termination
Anguilla
06-09-1957
Bermuda
06-09-1957
British Virgin Islands
06-09-1957
Falkland Islands
06-09-1957
Gibraltar
06-09-1957
Guernsey
30-04-1957
Hong Kong (< 01-07-1997)
06-09-1957
01-07-1997
Jersey
30-04-1957
Man, Isle of
30-04-1957
Montserrat
06-09-1957
Saint-Helena, Ascension and Tristan da Cunha
06-09-1957
United States of America
Extended to
Entry into force
Termination
Alaska (< 03-01-1959)
06-12-1967
03-01-1959
American Samoa
06-12-1967
Baker Island
06-12-1967
Guam
06-12-1967
Hawaii (< 21-08-1959)
06-12-1967
21-08-1959
Howland Island
06-12-1967
Jarvis Island
06-12-1967
Johnston Atoll
06-12-1967
Kingman Reef
06-12-1967
Midway Atoll
06-12-1967
Navassa Island
06-12-1967
Northern Mariana Islands
06-12-1967
Palmyra Atoll
06-12-1967
Panama Canal Zone (< 01-10-1979)
06-12-1967
31-12-1999
Puerto Rico
06-12-1967
Trust Territory of the Pacific Islands (< 22-12-1990)
06-12-1967
22-12-1990
US Virgin Islands
06-12-1967
Wake Island
06-12-1967
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