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Last updated 3 February 2025

If the UK has an agreement with a country you buy goods from, your business may be able to get a reduced rate of Customs Duty (known as a tariff preference or preferential rate of duty) for those goods. 

If you decide not to claim a tariff preference, or if a tariff preference is not available, you’ll need to .

Check if you can claim

You’ll first need to use the trade tariff tool to .

Once you’ve classified your goods, you’ll need to use the trade tariff tool and follow these steps.

1. Check if your goods are covered by a trade agreement

Select or enter the country you’re importing from. If there is a tariff preference, your goods are covered by a trade agreement.

If you’re importing from developing nations the rules are covered in the .

2. Check that your goods meet the rules of origin

Select ‘rules of origin’ to check your goods can be treated as originating in the country you’re importing from before you can claim a preferential rate of duty.

As trade agreements can change, you’ll need to make sure your goods meet the relevant rules of origin every time you claim a tariff preference. There are different rules of origin depending on the country.

Also, if part of the materials making up your products (or the suppliers providing or manufacturers making them) change, this can affect the country they are treated as originating from.

The rules of origin you must use to import from developing nations are covered in the .

Read more about how to .

3. Check what proof you need

Once you’ve selected ‘rules of origin’ the tool will also tell you which of the different types of proof of origin you can use for your claim. You must keep this as HMRC may ask you to show this to 91Ï㽶»ÆÉ«ÊÓƵ your claim.

Find out  once you know your goods meet the rules and what types of proof you can use.

What information to include on your import declaration

Find out .

Keep your records

If you’ve made an import declaration which includes a preferential claim you must keep:

• a copy of the declaration
• proof of origin to show your goods can be treated as originating in the country you’re claiming a tariff preference for
• 91Ï㽶»ÆÉ«ÊÓƵing documents, including details of the:
  • processes carried out on originating goods or materials
  • purchase, cost, value and payment for the goods
  • originating status of the purchase, cost, value and payment for all materials

You must keep these records for at least 4 years, as HMRC may carry out checks on your goods.

Using a customs warehouse

Find out what you need to do if you’re planning on .

Making a claim after you’ve paid Customs Duty

You may be able to  if you paid it but later get a valid proof of origin.