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Treaty

Fourth Additional Protocol to the General Regulations of the Universal Postal Union

Date modified Regarding
02-02-2026 Party
Details

Party

Bulgaria added

  • Ratification: 28-11-2024 (R)
  • Entry into force: 28-11-2024
  • Reservations / Declarations: No
  • Objections: No

Finland added

  • Ratification: 11-03-2025 (A)
  • Entry into force: 11-03-2025
  • Reservations / Declarations: No
  • Objections: No

India added

  • Ratification: 07-09-2025 (R)
  • Entry into force: 07-09-2025
  • Reservations / Declarations: No
  • Objections: No

Moldova added

  • Ratification: 15-05-2025 (A)
  • Entry into force: 15-05-2025
  • Reservations / Declarations: No
  • Objections: No

Serbia added

  • Ratification: 09-04-2025 (R)
  • Entry into force: 09-04-2025
  • Reservations / Declarations: No
  • Objections: No
28-04-2025 Kingdom part
Details

Kingdom part

Aruba modified

  • Entry into force: 27-03-2025

Curaçao modified

  • Entry into force: 27-03-2025

Sint Maarten modified

  • Entry into force: 27-03-2025

Netherlands (in Europe) modified

  • Entry into force: 27-03-2025

Netherlands (Bonaire) modified

  • Entry into force: 27-03-2025

Netherlands (Sint Eustatius) modified

  • Entry into force: 27-03-2025

Netherlands (Saba) modified

  • Entry into force: 27-03-2025
17-12-2024 Party
Details

Party

Liechtenstein added

  • Ratification: 02-10-2024 (R)
  • Entry into force: 02-10-2024
  • Reservations / Declarations: No
  • Objections: No

Slovakia added

  • Ratification: 28-08-2024 (R)
  • Entry into force: 28-08-2024
  • Reservations / Declarations: No
  • Objections: No
27-06-2024 Party
Details

Party

Singapore added

  • Ratification: 27-03-2024 (A)
  • Entry into force: 27-03-2024
  • Reservations / Declarations: No
  • Objections: No

Switzerland added

  • Ratification: 29-04-2024 (R)
  • Entry into force: 29-04-2024
  • Reservations / Declarations: No
  • Objections: No
22-03-2024 Kingdom part
Details

Kingdom part

Aruba added

  • Provisional application: 01-03-2024

Curaçao added

  • Provisional application: 01-03-2024

Sint Maarten added

  • Provisional application: 01-03-2024

Netherlands (in Europe) added

  • Provisional application: 01-03-2024

Netherlands (Bonaire) added

  • Provisional application: 01-03-2024

Netherlands (Sint Eustatius) added

  • Provisional application: 01-03-2024

Netherlands (Saba) added

  • Provisional application: 01-03-2024
12-10-2023 New treaty
Details

General information

  • Entry into force: 01-03-2024