Pricing & Classification DMM Advisory

Message board to keep postal customers informed of changes to mailing standards, services, and prices.

December 31, 2020

UPDATE 122: International Mail Service Updates Related to COVID-19

On December 31, 2020, the Postal Service™ received a notification from Public Enterprise Post of Serbia, the designated operator of Serbia, advising that, following the lifting of the state of emergency in Serbia, the sorting and delivery of inbound international postal items has been normalized.

Unless otherwise noted, service updates to a particular country do not affect delivery of military and diplomatic mail.

This service update affects Priority Mail Express International® (PMEI), Priority Mail International® (PMI), First-Class Mail International® (FCMI), First-Class Package International Service® (FCPIS®), International Priority Airmail® (IPA®), International Surface Air Lift® (ISAL®), and M-Bag® items.

The DMM Advisory will continue to provide updates as they are received. For a full list of international service disruptions, please visit