The USPS Automated Package Verification (APV) program verifies that correct postage is paid on every package based on:
Weight
Dimensions
package type
mailing service
Origin and Destination ZIP codes
If the postage amount is underpaid, a charge is made to cover the difference. This charge is shown as an "Adjustment" in your pre-paid balance. You have 60 days from the date of the notification to file a dispute for a given transaction. If you feel you were charged in error, you can dispute the charge with USPS with the steps below:
Click the Settings tab.
Under Admin Settings select Payment.
Scroll down to Prepay History; if needed, adjust the date range and refresh to locate the shipment adjustment.
Find the tracking number and Dispute ID on the package related to the shipment adjustment you wish to contest.
Send an email to VerifyPostageHelp@usps.gov. In the email, make sure you include the following information:
The USPS tracking number of the package
The Dispute ID
Your contact information (Name/Email/Phone#)
The reason for the dispute (please provide as much detail as possible)
Tip: If the USPS needs more info from you, they will contact you directly via email.
You should expect to get a response from the USPS regarding your disputed package within 2 to 5 business days; although the maximum time limit for adjudication business days.
The USPS does not provide partial reversals.
A customer dispute is either approved or denied.
You will get an email when the dispute is opened and a second email when the dispute has been approved or denied.
Approved rate adjustments for overpaid packages is automatically applied to your account within 35 days.
As the shipper, you are responsible for reaching out to USPS to confirm updates on APV dispute status as neither XPS or the PC postage entity- Easy Post has additional visibility into the USPS APV dispute review process.
Email: verifypostagehelp@usps.gov
Phone: 1-844-819-5187 for the APV Help Desk
Web: https://www.usps.com/business/verify-postage.htm
For helpful tips on paying the correct amount for your shipments, visit the Help Center Article: How to Calculate USPS Postage Correctly.
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