Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
---|---|---|---|---|
Argentina | March 26, 1991 | Ratification : October 30, 1991 | November 29, 1991 | |
Brazil | March 26, 1991 | Ratification : October 30, 1991 | November 29, 1991 | |
Paraguay | March 26, 1991 | Ratification : August 6, 1991 | November 29, 1991 | |
Uruguay | March 26, 1991 | Ratification : August 6, 1991 | November 29, 1991 |