Optional Protocol on the Compulsory Settlement of Disputes relating to the Constitution, to the Convention and to the Administrative Regulations (Nice, 1989)
(Position on 18.04.2025)
( countries)
Countries | R = Ratification A = Accession Ac = Acceptance Ap = Approval Ipso Facto | Date |
| Afghanistan | R | |
| Barbados | R | |
| Cameroon | R | |
| Canada | R | |
| Denmark | R | |
| Eswatini | R | |
| Finland | Ac | |
| Gabon | R | |
| Jordan | R | |
| Netherlands (Kingdom of the) | Ac | |
| Tunisia | R | |
| United Arab Emirates | R | |
| Uruguay | R |