Customs bonds: what they are and when you need one

title: "Customs bonds: what they are and when you need one" description: "How customs bonds work, who needs single-entry vs continuous, what bond covers and what it doesn't, and how to set one up for your first commercial import." category: "commercial-importing" estimatedReadMinutes: 6 lastUpdated: "2026-05-16"

A customs bond is a financial guarantee, given by the importer to the customs authority, promising payment of any duty, taxes, or penalties that arise from the import. Bonds exist primarily in the US system but variants exist elsewhere (UK / EU customs guarantees, Australia's customs broker indemnity).

What a bond is, exactly

It's a three-party contract:

Principal — the importer (you).
Obligee — the customs authority (e.g. CBP in the US).
Surety — a licensed insurance company that promises to pay if you don't.

The surety charges a premium (a small percentage of the bond amount). If duties go unpaid or a penalty is imposed, the surety pays, then collects from you.

Single-entry vs continuous

Single-entry bond — covers one shipment. Bond amount is the value of duty + tax + a multiple for risk. Premium is paid once. Right choice for occasional importers.
Continuous bond — covers all shipments for a 12-month period. Bond amount is at least 10% of estimated annual duty + tax (typically a minimum of USD 50,000 in the US). Premium is annual. Right choice if you import more than ~3 shipments a year.

A continuous bond costs more upfront but is cheaper per shipment over time and avoids per-shipment paperwork.

When you need a bond

In the US, a customs bond is required for any commercial import valued over USD 2,500 — and for any shipment subject to a federal agency (FDA, USDA, EPA, CPSC, etc.) regardless of value. This catches most B2B imports.

In the UK and EU, the equivalent regime is customs guarantees — required for special procedures (warehousing, transit, inward / outward processing) and increasingly for deferred-duty accounts.

In Australia, customs duty is generally paid up-front; bond-like instruments only apply for specific concessional regimes.

What the bond covers

Customs duty.
Import VAT / GST (where collected at the border).
Anti-dumping and countervailing duties.
Late-payment interest and penalties.
Certain liquidated damages (e.g. failure to redeliver merchandise on demand).

What the bond does not cover

Goods seized for being prohibited.
Penalties for fraud (criminal liability stays with the importer).
Carrier or broker fees.

How to get a bond

Pick a surety company licensed by the destination customs authority (in the US, a Treasury-listed surety).
Submit your importer of record details, estimated annual import value, and types of goods.
The surety underwrites — most approvals are same-day for low-risk goods.
You pay the premium.
The surety files the bond with the customs authority.

Premiums for low-risk goods are around 0.3-1% of the bond amount per year. Higher-risk goods (regulated industries, large anti-dumping exposure) cost more.

Importer of record vs broker bond

Two distinct concepts:

Importer of record (IOR) bond — your bond, securing your imports.
Customs broker bond — your broker's licence bond, separate from your imports.

When you hire a customs broker, you still need your own IOR bond. The broker's bond does not cover your duties.

When the bond is "insufficient"

If your shipment triggers a higher duty than the bond covers (e.g. a sudden anti-dumping designation), customs can require you to:

Increase the bond.
Provide additional security in cash.
Hold the shipment until the increase is processed.

This is why bond underwriting matters — the surety will assess your risk based on the goods type, country of origin, and shipment frequency.

When to switch to deferred duty / TVA report

In the UK and EU, deferring duty payment to a monthly account (rather than paying per shipment) is increasingly the norm for established importers. Setting up a deferment account requires a customs comprehensive guarantee, similar in mechanism to a US continuous bond.

Useful next reads

Importer of record: who is on the hook.
Customs penalties explained. (if available)

Not legal advice. Work with a licensed customs broker or surety agent to size your bond correctly.