| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Benin | Accession : May 18, 2017 | |||
| Cameroon | December 13, 1979 | |||
| Czech Republic | Declaration/Notification of Succession : September 30, 1993 | Details | ||
| Ecuador | Accession : October 26, 1994 | |||
| Egypt | Accession : February 11, 1982 | |||
| Holy See | December 13, 1979 | |||
| India | Accession : January 31, 1983 | Details | ||
| Iraq | Accession : July 15, 1981 | |||
| Israel | December 13, 1979 | |||
| Liberia | Accession : September 16, 2005 | |||
| Peru | Accession : April 15, 1988 | |||
| Slovakia | Declaration/Notification of Succession : May 28, 1993 | Details |