International Bureau of the UPU – Fulfilling a secretariat function, the IB provides logistical and technical support to the UPU’s bodies. It serves as an office of liaison, information and consultation, and promotes technical cooperation among Union members. In recent years, the International Bureau has taken on a stronger leadership role in certain activities. These include the application of postal technology through its Postal Technology Centre, the development of postal markets through potential growth areas such as direct mail and EMS, and the monitoring of quality of service on a global scale. Learn more.