New USPS Export Regulations: Changes to Tariff Calculation Starting July 24
The U.S. Customs has adjusted the tariff calculation for goods entering through postal channels to align with commercial express clearance standards, which may result in stricter inspections and higher tariff costs for postal parcels.
What are the key facts?
- 1Effective date: July 24, 2026
- 2Affected channel: Postal channel exports to the U.S.
- 3Change: Tariff calculation aligns with commercial express
What happened?
Starting July 24, the U.S. Customs will implement new procedures for goods imported through postal channels, including the application of Most-Favored-Nation tariffs and Section 301 tariffs. Sellers must pay attention to the correct classification of products and accuracy of origin information to mitigate inspection risks. With the implementation of this change, sellers may face increased compliance scrutiny and should prepare in advance to avoid impacts on shipping and cost structure.
What does this mean for cross-border sellers?
Sellers using postal parcels should reassess logistics costs and accurately report product information to avoid shipping delays due to customs issues.