| Countries/Territories |
Entry into force |
Ratification * |
Simple signature |
Withdrawal |
| Canada |
Apr 1, 1968
|
Oct 3, 1967
[2]
|
- |
May 17, 1984
|
| Costa Rica |
Mar 3, 1950
|
Mar 3, 1950
[1]
|
May 31, 1949
|
Apr 27, 1979
|
| Ecuador |
Apr 7, 1961
|
Apr 7, 1961
[2]
|
- |
Aug 21, 1968
|
| France |
May 22, 1973
|
May 22, 1973
[2]
|
- |
- |
| Japan |
Jul 1, 1970
|
Jun 25, 1970
[2]
|
- |
- |
| Mexico |
Feb 28, 1964
|
Jan 29, 1964
[2]
|
- |
Nov 8, 1978
|
| Nicaragua |
Nov 6, 1973
|
Nov 6, 1973
[2]
|
- |
- |
| Panama |
Sep 21, 1953
|
Sep 21, 1953
[2]
|
- |
- |
| United States of America |
Mar 3, 1950
|
Mar 3, 1950
[1]
|
May 31, 1949
|
- |
| Vanuatu |
Sep 10, 1990
|
Sep 10, 1990
[2]
|
- |
- |
| Venezuela, Boliv. Rep. of |
Jun 10, 1992
|
Jun 10, 1992
[2]
|
- |
- |
| Colombia |
Oct 10, 2007
|
Oct 10, 2007
[2]
|
- |
- |
| Costa Rica |
May 29, 1989
|
May 29, 1989
[1]
|
- |
- |
| Ecuador |
Aug 2, 1997
|
Jul 3, 1997
[2]
|
- |
- |
| El Salvador |
Oct 27, 1997
|
Oct 27, 1997
[2]
|
- |
- |
| Guatemala |
Jun 27, 2000
|
Jun 27, 2000
[2]
|
- |
- |
| Korea, Republic of |
Dec 13, 2005
|
Dec 13, 2005
[2]
|
- |
- |
| Mexico |
Jun 4, 1999
|
Jun 4, 1999
[2]
|
- |
- |
| Peru |
Jun 27, 2002
|
Jun 27, 2002
[2]
|
- |
- |
| Spain |
Jan 27, 2005
|
Jan 27, 2005
[2]
|
- |
Feb 1, 2012
|
* [1] Ratification
[2] Accession/approbation
[3] Acceptance/approval
[4] Succession
[5] Consent to be bound
[6] Definite signature