Foreign Trade Zone (FTZ)

A Foreign Trade Zone (FTZ) is a US Customs and Border Protection-designated area where merchandise can be imported, stored, manipulated, assembled, or re-exported without standard customs procedures and duty payments. FTZs defer tariff payments and can reduce effective duty rates for manufacturers and importers.

FTZs in the US are authorized under the Foreign-Trade Zones Act of 1934 and administered by the Foreign-Trade Zones Board (part of the US Department of Commerce) with CBP overseeing customs compliance. There are approximately 180 general-purpose FTZ projects across the US, with over 2,500 individual activated FTZ sites. Key mechanisms: (1) Duty deferral — goods can enter an FTZ without paying customs duties until they enter US commerce. For importers with significant inventory, deferring duty payment improves cash flow. (2) Duty inversion benefit — if a manufacturer imports components at a higher duty rate than the finished product's duty rate, they can pay duty on the finished product rate (inverted tariff relief). This is one of the most valuable FTZ benefits for manufacturers. (3) Weekly entry — FTZ operators can file a single weekly customs entry instead of entry-by-entry, reducing administrative costs and customs broker fees. (4) No duty on re-exports — goods imported into an FTZ and then exported to another country pay no US customs duties. FTZ users include automotive manufacturers (import parts duty-free, assemble, pay reduced duty on finished vehicle), electronics manufacturers, distributors, and e-commerce companies with significant import volumes. For financing purposes, inventory in an FTZ is a recognized collateral class. Banks lending against inventory (inventory-based ABL) can take security interests in FTZ inventory, though the customs duty treatment requires careful structuring of the security agreement and lien filing.

Examples

Frequently asked questions

How do I set up operations in a Foreign Trade Zone?

You typically apply to an existing general-purpose FTZ grantee (usually a port authority or industrial park operator) to activate a site within their FTZ grant. Alternatively, large manufacturers can apply for a subzone (a dedicated FTZ location) directly from the FTZ Board. The process involves CBP site activation procedures, bonding requirements, and establishing CBP-approved inventory control and record-keeping (ICRS) systems. Cite: US Foreign Trade Zones Board at trade.gov/foreign-trade-zones-board and CBP at cbp.gov.

Is an FTZ the same as a free trade agreement?

No — these are entirely different concepts. A Foreign Trade Zone is a physical location in the US with special customs treatment. A free trade agreement (FTA) — like USMCA, KORUS, or US-EU agreements — is a treaty between governments that reduces tariffs on goods traded between the parties. An FTA reduces duty rates on qualifying goods; an FTZ provides operational flexibility and cash flow benefits regardless of origin or trade agreement status.

Are FTZ benefits worth it for small businesses?

FTZs are generally most cost-effective for businesses with annual customs duty payments of $500K+ and significant import volume. The compliance infrastructure (CBP activation, ICRS systems, bonding) has a minimum fixed cost that makes FTZs impractical for small importers. Small businesses may better benefit from bonded warehouses (similar deferral without the FTZ administrative overhead) or duty drawback programs. If import duties are a significant cost item, a customs broker consultation is the right starting point.

Related terms

Further reading