Deviation / Discrepancy - Procedural Hazardous Material Violation
General Maintenance Action; General Work Refused
Company Policy; Human Factors; Procedure
The USPS consigned a Priority Mail parcel containing Lithium ION Battery UN3481. [Air carrier] does not accept undeclared dangerous goods [such as] lithium batteries. This mail has been rejected back to the USPS.This has become a daily occurrence with finding lithium ion batteries in mail parcels.
Airline Cargo Agent reported refusing incorrectly packaged/labeled USPS mail parcel.