The short answer
HMRC's 2026 customs modernisation call: digital trade data, electronic documents, interoperability and future authorisation changes, separated from current law.
HMRC and HM Treasury used a 2026 call for evidence to explore how the UK customs regime should respond to digitalised international trade. The paper focuses on future policy and system design rather than announcing a new customs charge or a new declaration requirement.
The call covered three areas: the future of international trade and commercial operations, the future of customs data, and whether customs authorisations support a modernised trading environment. It opened on 23 June 2026 and closed on 15 September 2026. HMRC says evidence may inform future customs policy and could lead to further consultation; it does not itself change the current customs rules.
Digital customs is a direction of travel
Current declarations still matter
Evidence may shape future rules
What Was HMRC Asking About?
The call for evidence looked beyond a single customs form or tax rate. HMRC wanted views from importers, exporters, intermediaries, hauliers, customs software providers, trade bodies and businesses considering international trade.
| Policy area | Core question |
|---|---|
| Future trade | How changing supply chains and international trade will affect UK customs operations |
| Customs data | Whether the UK model can better use digital supply-chain and commercial data |
| Authorisations | Whether customs authorisations remain suitable for a modern trading environment |
| Systems | How HMRC systems could exchange data with business and international systems |
| Controls | How digital data can support proportionate risk assessment and compliance |
The document is a request for evidence, not a final design. Businesses should not infer a confirmed migration date, mandatory electronic bill of lading, new data field or new authorisation test from the questions alone.
Why Digital Trade Data Matters
Traditional customs processes often depend on information being prepared and submitted at a particular point in the movement of goods. HMRC is exploring whether accurate data already held in commercial and supply-chain systems could be reused, shared or submitted more efficiently.
Potential benefits discussed in the call include:
- less duplication when the same trade information is used at multiple stages;
- faster movement of accurate data between traders, logistics providers, intermediaries and authorities;
- better traceability of goods and raw materials;
- more targeted risk and compliance controls; and
- improved interoperability with international partners and digital trade systems.
Potential risks include incompatible systems, unclear accountability, data quality, cybersecurity, privacy, uneven technology adoption and uncertainty about who is legally responsible when data is shared or pre-populated.
Electronic documents are not automatically a new HMRC filing rule
The call discusses electronic trade documents and digital data as part of a future customs model. It does not require every UK trader to replace existing documents or declarations immediately. Follow current HMRC guidance for the shipment and authorisation involved.
Electronic Trade Documents and Digital Passports
The call describes a broader shift toward machine-readable trade information. It refers to electronic trade documents, digital supply-chain data and developments such as EU Digital Product Passports. These examples illustrate the policy environment; they do not create a new UK customs filing obligation through this call for evidence.
Businesses that trade internationally can still prepare by identifying:
| Preparation area | Practical question |
|---|---|
| Product data | Can the business identify tariff, origin, valuation and product information consistently? |
| Documents | Are invoices, packing lists, transport documents and certificates stored in retrievable form? |
| Ownership | Who is responsible for the accuracy of data supplied to the customs intermediary or HMRC? |
| Systems | Can the ERP, warehouse, logistics and customs systems exchange the required fields? |
| Audit trail | Can the business show what data was used, by whom and when it was amended? |
These are sensible controls under current customs compliance practice as well as useful preparation for possible digital reforms. They do not prove that a future system will accept a particular format.
Current Law Versus Future Policy
| Topic | Current position from this policy paper |
|---|---|
| Customs declarations | Continue using the current declaration process and data rules |
| Customs Declaration Service | Remains the current system for the relevant UK customs declarations |
| Electronic trade documents | A policy and system-development direction, not a universal new filing requirement from this paper |
| Digital supply-chain data | Subject of evidence gathering and future design work |
| Customs authorisations | Existing authorisations remain relevant; HMRC is asking whether the future approach should change |
| Single Trade Window | The paper says related engagement is separate, although insights may be shared subject to confidentiality |
| Artificial intelligence | Mentioned as a possible tool for future services and risk/document checks, not a current trader duty |
Do not replace a current customs process merely because a consultation mentions a future digital alternative. Check the live HMRC guidance, declaration system and authorisation conditions for the transaction.
Relationship With Customs Intermediaries
The call for evidence says customs intermediaries complete a large share of customs declarations and asks how their role may change as digitalisation increases. It is separate from HMRC's consultation on mandatory registration for intermediaries.
| Guide topic | What it covers |
|---|---|
| Customs modernisation | Future data, systems, digital trade and authorisation policy |
| Mandatory intermediary registration | A separate proposal for registration and minimum checks for intermediaries submitting declarations |
| Low-value imports | A separate future customs-duty and import-policy question |
The modernisation call is broader and longer-term. The intermediary-registration proposal is more specific and asks whether a new legal registration framework should be introduced.
How Traders Can Prepare
Prepare for possible customs digitalisation
- 1Map the data used in each import and export declaration, including product classification, origin, value, quantity and transport information.
- 2Identify duplicate manual entry between ERP, warehouse, freight, broker and customs systems.
- 3Agree who owns each data field and who checks amendments before a declaration is submitted.
- 4Preserve documents and an audit trail so the business can explain the source and timing of declaration data.
- 5Monitor HMRC response summaries, consultations, legislation and technical guidance before changing a live filing process.
The most useful immediate action is data governance, not buying a new platform based on an unconfirmed future model. Traders should also review their relationship with customs intermediaries and understand which authorisations they rely on.
Frequently Asked Questions
Evidence and decision checks
A reliable uk customs modernisation digital trade 2026 review starts by fixing the tax year and the date on which the relevant event happened. Record the person's or business's status, the income or transaction category, the amount before tax, tax already withheld, and any election or claim being relied on. Do not combine a headline figure with a final liability: the result can change when another income source, a payment date, an ownership interest or a qualifying condition is added.
Keep the source documents behind every important input. Depending on the subject, that may include payslips, invoices, bank statements, contracts, provider statements, travel records, HMRC notices, payroll submissions, valuations or correspondence. Where an amount is apportioned, write down the method and retain the underlying total. If a correction is made, preserve the original figure and explain the reason, date and evidence for the replacement.
Before relying on the result, check the current official guidance for the same tax year and jurisdiction. Distinguish enacted law from a consultation, draft measure, announcement or future proposal, and record the effective date. Reconcile the final estimate to the relevant return, payroll record or HMRC account. A calculator or explanatory guide can support a decision, but it cannot replace the eligibility test or the official filing and payment process.
Evidence and decision checks
A reliable uk customs modernisation digital trade 2026 review starts by fixing the tax year and the date on which the relevant event happened. Record the person's or business's status, the income or transaction category, the amount before tax, tax already withheld, and any election or claim being relied on. Do not combine a headline figure with a final liability: the result can change when another income source, a payment date, an ownership interest or a qualifying condition is added.
Keep the source documents behind every important input. Depending on the subject, that may include payslips, invoices, bank statements, contracts, provider statements, travel records, HMRC notices, payroll submissions, valuations or correspondence. Where an amount is apportioned, write down the method and retain the underlying total. If a correction is made, preserve the original figure and explain the reason, date and evidence for the replacement.
Before relying on the result, check the current official guidance for the same tax year and jurisdiction. Distinguish enacted law from a consultation, draft measure, announcement or future proposal, and record the effective date. Reconcile the final estimate to the relevant return, payroll record or HMRC account. A calculator or explanatory guide can support a decision, but it cannot replace the eligibility test or the official filing and payment process.
Evidence and decision checks
A reliable uk customs modernisation digital trade 2026 review starts by fixing the tax year and the date on which the relevant event happened. Record the person's or business's status, the income or transaction category, the amount before tax, tax already withheld, and any election or claim being relied on. Do not combine a headline figure with a final liability: the result can change when another income source, a payment date, an ownership interest or a qualifying condition is added.
Keep the source documents behind every important input. Depending on the subject, that may include payslips, invoices, bank statements, contracts, provider statements, travel records, HMRC notices, payroll submissions, valuations or correspondence. Where an amount is apportioned, write down the method and retain the underlying total. If a correction is made, preserve the original figure and explain the reason, date and evidence for the replacement.
Before relying on the result, check the current official guidance for the same tax year and jurisdiction. Distinguish enacted law from a consultation, draft measure, announcement or future proposal, and record the effective date. Reconcile the final estimate to the relevant return, payroll record or HMRC account. A calculator or explanatory guide can support a decision, but it cannot replace the eligibility test or the official filing and payment process.
Did the customs modernisation call change UK customs law?
When did the call for evidence close?
Will electronic documents become mandatory?
What data might future customs systems use?
Is this the same as mandatory customs intermediary registration?
What should a small importer do now?
Do I need to change my customs software because of this proposal?
Will customs intermediaries have to register immediately?
This is a policy-monitoring guide, not operational customs advice. Refresh it when HMRC publishes a response summary, a new consultation, legislation or technical implementation guidance. Related reading: customs intermediary registration proposal, low-value imports UK 2029 and CBAM UK 2027.
Official sources
Related Guides
UK Customs Intermediary Registration Proposal 2026
HMRC is consulting on mandatory registration for UK customs intermediaries. Learn who may be in scope, proposed checks, enforcement and what is not law yet.
Air Passenger Duty UK 2027/28 — Rates from 1 April 2027
UK Air Passenger Duty rates from 1 April 2027: domestic, Band A, B and C fares, reduced and standard classes, higher-rate flights and private-jet changes.
Fuel Duty Changes UK 2026/27 — Rates and Key Dates
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Review notes and assumptions
Reviewed
2026-09-20
Assumptions
- The call for evidence describes possible future policy and system design; it does not itself change current customs law or create a new filing duty.
- The guide does not determine a trader's current commodity code, customs procedure, authorisation or declaration requirements.