Entry into force and duration of the First Additional Protocol to the Universal Postal Convention This Additional Protocol shall come into force on 1 January 2025 (with the exception of the changes to paragraphs 1.1 and 1.2 of article II, which shall enter into force on
1 January 2026) and shall remain in force for an indefinite period.
In witness whereof the plenipotentiaries of the governments of the member countries have drawn up this Additional Protocol, which shall have the same force and the same validity as if its provisions were inserted in the text of the Universal Postal Convention itself, and they have signed it in a single original which shall be deposited with the Director General of the International Bureau. A copy thereof shall be delivered to each member country by the International Bureau of the Universal Postal Union.