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New and modified treaties. An overview of newly added and modified treaties can now be found in the Home tab. For each treaty you can see what information has been modified: general treaty information, parties and/or parts of the Kingdom. For more information click ‘Help’ at the bottom of this page and go to ‘FAQ’.

Treaty

First Additional Protocol to the Universal Postal Convention

Date modified Regarding
02-02-2026 Party

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

Hungary added

  • Ratification: 06-01-2025 (R)
  • Entry into force: 06-01-2025
  • 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

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

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

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

Kingdom part

Aruba added

  • Provisional application: 01-01-2025

Curaçao added

  • Provisional application: 01-01-2025

Sint Maarten added

  • Provisional application: 01-01-2025

Netherlands (in Europe) added

  • Provisional application: 01-01-2025

Netherlands (Bonaire) added

  • Provisional application: 01-01-2025

Netherlands (Sint Eustatius) added

  • Provisional application: 01-01-2025

Netherlands (Saba) added

  • Provisional application: 01-01-2025

18-10-2023 General information

General information

  • Entry into force: 01-01-2025
12-10-2023 New treaty

Information available under Data