What Are Rules of Origin?

Rules of origin are the criteria used to determine where a product was made. They matter because the UK's free trade agreements (FTAs) offer reduced or zero duty rates — but only for goods that genuinely originate from the partner country.

Without proof of origin, you pay the standard third-country duty rate. With it, you could pay nothing. The difference can be thousands of pounds per year.

Why Rules of Origin Exist

Without these rules, any country could route goods through a partner country to exploit preferential tariffs. Rules of origin prevent this by requiring that products undergo sufficient manufacturing or processing in the partner country.

How Rules of Origin Work

The Basic Test

For a product to qualify for preferential origin, it must be either:

1. Wholly obtained: Entirely produced in the partner country (agricultural products, minerals, fish)
2. Sufficiently processed: Manufactured or processed enough to qualify under product-specific rules

Product-Specific Rules

Different product categories have different requirements. Common tests include:

Change of Tariff Classification (CTC): The finished product must have a different HS code from its imported components. For example, if you import cotton fabric (HS 5208) and produce a cotton shirt (HS 6105), the tariff change demonstrates sufficient processing.

Value Added: A minimum percentage of the product's value must originate from the partner country. Typically 40–60%.

Specific Process: Certain products require specific manufacturing steps to qualify. For textiles, this might mean that the fabric must be woven in the country of origin, not just cut and sewn.

UK Free Trade Agreements and Their Benefits

UK-EU Trade and Cooperation Agreement (TCA)

• Coverage: Zero tariffs and zero quotas on qualifying goods
• Key requirement: Products must meet EU or UK origin rules
• Documentation: Supplier's declaration on the invoice or EUR.1 certificate
• Important: Components from third countries (e.g., China) may disqualify a product

UK-Japan CEPA

• Benefit: Reduced or zero tariffs on many categories
• Rules: Product-specific, generally requires significant Japanese processing

CPTPP (Comprehensive and Progressive Agreement for Trans-Pacific Partnership)

• Countries: Japan, Vietnam, Malaysia, Australia, Canada, and others
• Benefit: Preferential rates with cumulation provisions
• Cumulation: Materials from any CPTPP member can count toward origin

Developing Countries Trading Scheme (DCTS)

• Coverage: Reduced rates for imports from developing nations
• Categories: Enhanced Preferences, Comprehensive Preferences
• Documentation: GSP Form A or origin declaration

How to Claim Preferential Rates

Step 1: Determine Eligibility

• Check which trade agreement covers your supplier's country
• Look up the product-specific rules for your HS code
• Verify that your product meets the origin criteria

Step 2: Obtain Documentation

From your supplier:

• Origin declaration (statement on the invoice)
• EUR.1 certificate (for some agreements)
• GSP Form A (for developing country preferences)

Key information needed:

• HS code of finished product
• Country where final manufacturing/processing occurred
• Description of manufacturing process
• Value breakdown (if value-added rules apply)

Step 3: Declare at Import

Your customs broker claims the preferential rate on the customs declaration, referencing the supporting origin documentation. Keep all documents for at least 4 years.

Common Pitfalls

1. Assuming Country of Shipment = Country of Origin

Goods shipped from the EU aren't necessarily of EU origin. If your EU supplier imports components from China and performs minimal processing, the product may not qualify for TCA zero-tariff treatment.

2. Not Asking Suppliers About Origin

Many importers never ask their suppliers whether products meet rules of origin requirements. A simple question could save significant duty costs.

3. Insufficient Documentation

Without proper origin documentation, customs won't accept a preferential rate claim. Ensure your supplier provides the correct certificates or declarations.

4. Ignoring Cumulation Rules

Some FTAs allow cumulation — materials from multiple partner countries can count toward origin. This can make products eligible that wouldn't qualify based on a single country's content.

The Financial Impact

Example: Importing Textiles from Vietnam

Without preferential rate: 12% duty on CIF value With CPTPP preferential rate: 0% duty

On annual imports of £50,000 CIF value:

• Standard duty: £6,000
• CPTPP duty: £0
• Annual saving: £6,000

Example: Electronics from Japan

Without preferential rate: 3.7% duty With UK-Japan CEPA: 0% duty

On £100,000 annual imports:

• Standard duty: £3,700
• CEPA duty: £0
• Annual saving: £3,700

Integrating Origin Rules Into Your Sourcing Strategy

When evaluating new suppliers and products:

1. Check whether the supplier's country has an FTA with the UK
2. If yes, ask the supplier whether their products meet rules of origin
3. Calculate landed cost both with and without preferential rates
4. Factor the duty saving into your supplier selection decision

A product from a country with an FTA might be more profitable than a cheaper product from a country without one, once duty savings are factored in.

Your import calculator should allow you to toggle between standard and preferential duty rates, showing you the financial impact of origin status on your overall landed cost and profitability.