Importer Security Filing (ISF)
A U.S. Customs and Border Protection (CBP) requirement mandating that importers (or their agents) file advance cargo information for all shipments entering the United States. ISF must be submitted 24 hours before vessel departure from the foreign port. Failure to file results in significant penalties.
Typically a flat fee per Bill of Lading (covers multiple containers on same shipment).
Who Pays?
Negotiable — discuss with your freight forwarder.
ISF filing fees are competitive among customs brokers and forwarders. Fees vary widely ($30-$45 per ISF). Volume importers can negotiate lower rates with preferred customs brokers.
Adjustment Frequency
Current rate reviewed: Per shipment
Chargeable Unit
Formula / Calculation
ISF Filing Fee = Carrier/Agent Administration Fee (flat fee per filing, not per container in most cases)Frequently Asked Questions
Who files ISF?
What happens if ISF is not filed on time?
Related Articles
Amazon FBA Fees from China: A Complete Cost Guide 2026
Import Duties from China to USA: Everything You Need to Know 2026
Alibaba, Temu & Shein Shipping to USA: Complete Cost Guide 2026
Often Appears Together With
These charges frequently appear on the same freight invoice as ISF:
Related Charges
Have feedback?
Spot a missing surcharge or have a suggestion? Let us know.