Here are various tracking problems frequently occurs.And also here the complete solutions of USPS tracking problems were mentioned.
The Agreement sets forth the terms and conditions for Your use of the Delivery Instructions that allows You to electronically request that certain types of United States Postal Service package(s) be left at the address of delivery without You being present to accept the package authorized for release ("Delivery Instructions" or ("Service")).
The organization also renders its services to other countries across the Globe. It is highly designed with perfect tracking system.
It allows the users to send the packages within US and to other countries. If still people are experiencing some USPS tracking problems, this article can certainly help to understand and rectify the problems. Still the users are prone to experience some tracking problems.
USPS is solely responsible for the services, content and materials provided through and the Service generally.
I know that USPS can be sloppy with the scanning and tracking.
I've never had a situation when package is delivered and it is not scanned.
Most often a package is not scanned because the barcode is not scannable Or difficult to scan.
This most often happens whe the sender prints their own labels and the barcode is too light or fuzzy or crimped or wrapped around a corner. They can be manually entered but sometimes the dispatch time is tight and they go unscanned or the person sorting the mail doesn't want to bother with it.
Complaining to USPS and/or your local postmaster can help sometimes.