Core Viewpoint - The recent tariff measures imposed by the United States on postal packages are expected to significantly impact global postal operators, prompting the Universal Postal Union (UPU) to take necessary countermeasures [1] Group 1: UPU's Response - The UPU has received notifications from 25 member countries' postal operators regarding the suspension of outbound postal services to the U.S. [1] - Concerns have been raised by various postal companies about operational readiness, regulatory coordination, and the continuity of mail flow [1] - The UPU's Director General, Masahiko Metoki, has communicated with U.S. Secretary of State Marco Rubio to express member countries' worries about operational disruptions [1] Group 2: U.S. Tariff Measures - On July 30, President Trump signed an executive order that will suspend the tax exemption for imported packages valued at $800 or less, effective from August 29 [1] - This measure is anticipated to bring about significant operational changes for postal operators worldwide [1] Group 3: UPU's Role - The UPU is a specialized agency of the United Nations responsible for international postal affairs, currently comprising 192 member countries [1] - The organization aims to facilitate dialogue among member countries and postal operators to develop practical solutions for ensuring smooth mail flow [1]