Mailing Standards of the United States Postal Service - International Mail Manual > 9 Inquiries, Indemnities, and Refunds > 940 Postage Refunds
A refund may be made when postage, extra service fees, or other return charges have been paid on the following First-Class Mail International, First-Class Package International Service, and Priority Mail International items:
Senders requesting postage refunds should submit to the postmaster at the office at which the items were mailed:
When the refund request relates to mail originating in the United States and there is no reason to believe that the other country is at fault, process the application as prescribed in DMM 604.
When there is reason to believe that the other country is at fault, or when the request relates to mail originating in another country, tell the customer to have the sender contact the foreign country’s postal service about postage refund options.
