Manuals in three volumes

Postal Payment Services Manual

Update: December 2017.
This manual includes the provisions of the Postal Payment Services Agreement as drawn up by the 2016 Istanbul Congress, those of its Regulations as revised by the Postal Operations Council in March 2017, and the commentary made by the International Bureau of the Universal Postal Union.

Convention Manual

Update: April 2018.
This manual includes the provisions of the Universal Postal Convention as revised by the 2016 Istanbul Congress applicable to letter post and parcel post, those of the Regulations to the Convention as revised by the Postal Operations Council at both of its sessions in 2017, and commentary by the International Bureau.

Constitution and General Regulations (with comments of the International Bureau)

Update: August 2018.
This publication includes the provisions of the UPU Constitution and General Regulations together with the amendments made by the 2016 Istanbul Congress. It provides a historical overview of the UPU, the list of UPU member countries, the Additional Protocols, etc.