30-Day Grace Period for Implementation of Sack Elimination
Effective: January 22, 2023 As part of its network redesign efforts, the Postal Service is eliminating the use of sacks as containers for Flats acceptance/entry but will [...]
memo 629
Updated Mail.dat Tech Specs Guide
The USPS released an updated Mail.dat Technical Guide on January 9, 2023 — Version 4, Release 57. The technical guide that outlines steps for exchanging electronic data [...]