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Receive notificationsTwelfth Additional Protocol to the Constitution of the Universal Postal Union
PartiesParties with a link have a reservation.
| Party | Signature | RatificationS=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 |
|---|---|---|---|---|---|
| Switzerland | 10-04-2026 (R) | 10-04-2026 |