The Customs Watch UK: Edition 30

Welcome to the first edition of the Customs Watch UK - your new weekly intelligence briefing for UK customs and international trade.

🔐 The UK's steel contract exemption is about to end, UK CBAM moves closer, CDS prepares to reject more declarations, Chinese boom lifts face duties of up to 71.74%, and UK exporters must register to secure preferential treatment under the UK-India trade agreement.

The Customs Watch UK

Summary: This first edition brings together the most important customs, tariff and trade developments affecting businesses importing into and exporting from the United Kingdom.

This edition examines the approaching end of the transitional exemption from the UK's 50% out-of-quota steel duty, the start of the UK Carbon Border Adjustment Mechanism from 1 January 2027, and 31 new CDS validation changes from 26 September 2026 that can result in customs declarations being rejected. It also covers provisional anti-dumping duties of up to 71.74% on certain Chinese boom lifts, changes affecting low-value imports into the EU, UK-India preferential origin requirements, rapidly changing tariff quota balances and further HMRC customs developments.

The key customs message is simple: several of the biggest risks are no longer future policy changes - they now have implementation dates, filing requirements and direct financial consequences. Businesses need to ensure their contracts, customs data, supplier information and internal procedures are ready before those deadlines arrive.

Read the latest edition here (PRO Subscription required).

The Customs Watch UK - Edition 30

Steel's Contract Shelter Ends on 30 September

One of the most time-sensitive developments facing UK steel importers is approaching quickly.

The transitional exemption from the UK's new 50% out-of-quota steel duty expires on 30 September 2026. The arrangement has protected qualifying goods imported under contracts signed before 14 March 2026.

From 1 October, that protection disappears.

The quota will become the primary mechanism for avoiding the full 50% out-of-quota duty. Where applicable, anti-dumping or anti-subsidy measures may also continue to apply, increasing the potential landed-cost exposure.

For businesses with qualifying shipments approaching the UK, the difference between goods clearing before or after the deadline could therefore be substantial.

This week's edition examines:

• Which contracts qualify for the transitional exemption.

• Why the exemption ends on 30 September.

• How the new 50% out-of-quota duty operates.

• Why trade-remedy duties may compound the cost.

• The importance of quota availability from October.

• What procurement and customs teams should review immediately.

UK steel importers should review shipment schedules, contract evidence and October quota exposure now rather than waiting for the deadline to arrive. 

👉 Download this week's edition of The Customs Watch UK to access the full analysis, practical guidance and expert commentary.

UK CBAM Starts on 1 January 2027

The UK's Carbon Border Adjustment Mechanism is moving from a future policy discussion to an operational customs and compliance issue.

From 1 January 2027, the UK CBAM will apply to selected imports from the:

• Aluminium sector

• Cement sector

• Fertiliser sector

• Hydrogen sector

• Iron and steel sector

The regime contains important threshold and record-keeping requirements, with a £50,000 threshold playing a central role in determining registration obligations. One of the biggest practical challenges is timing.

Businesses may become liable for CBAM obligations before registration services are available, meaning affected importers need to maintain appropriate records from the beginning of the regime. Supplier emissions information may also take significant time to obtain and validate.

The first accounting period covers 2027, with the first return and payment due by 31 May 2028.

This week's edition explains:

• Which sectors and products fall within UK CBAM.

• How the £50,000 threshold operates.

• Why importers should begin monitoring covered imports now.

• Why supplier emissions data should not be left until 2027.

• The relationship between CBAM, steel quotas and trade-remedy duties.

• What customs, procurement and finance teams should prepare for.

The key message: January may feel distant, but obtaining reliable supplier data can take months. 

👉 Download this week's edition of The Customs Watch UK to access the full analysis and practical preparation guidance.

CDS 5.3.0: Thirty-One Rejection Rules Land on 26 September

HMRC is introducing significant Customs Declaration Service changes on 26 September 2026. The changes are operationally important because many of them will result in a declaration being rejected outright, rather than simply generating a warning.

The new requirements affect areas including:

• Currency codes.

• Northern Ireland EORI requirements.

• Representation and deferment-account rules.

• Goods-location codes.

• Document codes.

• Gross-mass reporting.

• Temporary admission.

• At-risk calculations.

• New Vaping Products Duty requirements.

Businesses with declarations pre-lodged for goods arriving after the implementation date should pay particular attention. A declaration that was valid when submitted may require amendment before arrival if the new rules affect its data.

This week's edition examines:

• The most important of the 31 validation changes.

• Which old currency codes will no longer be accepted.

• New Northern Ireland declaration requirements.

• How the at-risk calculation is changing.

• New Vaping Products Duty declaration requirements.

• Why pre-lodged declarations require immediate review.

For customs teams and brokers, this is not simply a software update. From 26 September, non-compliant declarations may fail. 

👉 Download this week's edition of The Customs Watch UK to access the complete breakdown.

China Boom Lifts Face Duties of up to 71.74%

UK importers of certain boom lifts and related sub-assemblies from China now face provisional anti-dumping duties ranging from 16.25% to 71.74%. The measure applies from 20 August 2026 and also creates an immediate financial obligation: importers must provide security for the estimated duty.

Depending on the circumstances, that may involve:

• A bank guarantee.

• A bond.

• A cash deposit.

The company-specific duty rate can depend on the importer holding the required invoice declaration. Without the correct documentation, the residual 71.74% rate may apply.

The scope also extends beyond finished machines to certain pre-assembled and ready-to-assemble components.

This week's edition examines:

• The supplier-specific duty rates.

• Which boom lifts and components are covered.

• How the guarantee requirement operates.

• Why documentation matters for company-specific rates.

• The potential cash-flow implications.

• What procurement teams should review when sourcing affected products.

For affected importers, the measure can reshape both landed cost and working-capital requirements. 

👉 Download the latest edition of The Customs Watch UK for the full breakdown of the affected products, duty rates and practical steps importers should consider.

India: Register Before Claiming Preference

The new UK-India trade agreement creates opportunities for UK exporters — but origin declarations must follow the correct process. UK exporters must register with HMRC before issuing qualifying origin declarations for Indian customers seeking preferential tariff treatment.

Where the exporter is not registered, the origin declaration may be rejected and the Indian importer could lose access to the preferential tariff rate.

The requirements are particularly important because the origin declaration process differs from other UK trade agreements.

This week's edition explains:

• Why HMRC registration is required.

• How the UK and Indian authorities verify registered exporters.

• Why businesses should not reuse origin templates from other FTAs.

• The specific documentation format required.

• Why exporters should review their processes before the next shipment.

A trade agreement creates an opportunity. The origin process determines whether the opportunity actually reaches the customer. 

👉 Download the latest edition of The Customs Watch UK for the full explanation of the registration and origin requirements UK exporters need to consider.

The EU's €150 Low-Value Duty Relief Has Ended

UK businesses selling directly to EU consumers should review their pricing and fulfilment models. The EU ended customs-duty relief for qualifying low-value consignments on 1 July 2026 and introduced a new temporary €3 customs charge per item category.

The distinction matters.

The charge is not necessarily a simple €3 cost per parcel. Mixed consignments containing products falling under different relevant tariff classifications can generate multiple charges.

For e-commerce businesses that built their checkout and landed-cost models around the former exemption, the change may be quietly reducing margins on every affected shipment.

This week's edition examines:

• How the new €3 charge works.

• Why mixed consignments can generate multiple charges.

• Which businesses are affected.

• The implications for direct-to-consumer pricing.

• Whether EU-side fulfilment could change the economics.

For cross-border e-commerce, the low-value customs equation has changed. 

👉 Download the latest edition of The Customs Watch UK for the full analysis of the new EU low-value import charges and their potential impact on cross-border e-commerce.

Tariff Quotas Are Running Dry

August saw significant pressure on several UK tariff quota allocations.

Some quotas have become critical, others have been exhausted, and remaining balances can change quickly because published figures are only snapshots of the position following allocation runs.

This matters particularly for steel and other products where the difference between successful quota treatment and full duty can significantly affect landed cost.

Businesses should avoid treating a previously published balance as a guarantee.

This week's edition covers:

• Quotas already exhausted.

• Allocations approaching depletion.

• Steel quotas that have become critical.

• The Turkish Category 27 quota.

• South Korean stainless wire rod.

• Stainless bars and light sections.

• Non-alloy bars and light sections.

• Why live quota checks should take place immediately before filing.

Quota planning is becoming a live operational issue rather than a quarterly exercise.  

👉 Download the latest edition of The Customs Watch UK for the latest quota developments and the practical steps businesses should consider when planning affected imports.

Overview of This Week's Edition Changes

Topic	Why It Matters
Steel Contract Exemption	Transitional protection from the 50% out-of-quota duty ends on 30 September.
UK CBAM	Carbon-border obligations begin on 1 January 2027 for covered sectors.
CDS 5.3.0	31 validation changes from 26 September can result in declaration rejection.
Chinese Boom Lifts	Provisional anti-dumping duties range from 16.25% to 71.74%.
UK-India FTA	UK exporters must register before issuing qualifying origin declarations.
EU Low-Value Imports	The former €150 customs-duty relief has been replaced with a new €3 charge structure.
Steel Quotas	Multiple quota allocations have become critical or exhausted.
S-PVC Registration	Imports from China, Mexico and South Korea may face retrospective duty exposure.
Cold-Rolled Steel	Anti-dumping duties on certain products from China and Russia have expired.
Welded Tubes and Pipes	Anti-dumping measures involving Belarus and China have been extended to 2031.
Customs Consultations	HMRC consultations on customs modernisation and intermediary registration close in September.
Sevington Transit	Traders need to prepare for alternative arrangements ahead of early 2027.

The edition also covers refreshed CDS guidance, changes to commodity codes and VAT coverage, UK-Vietnam customs data sharing, digital product records, PET safeguards, EU SPS controls, bicycle duties and other developments affecting UK customs operations.

Why Subscribe?

✔ Stay ahead of fast-moving UK customs, tariff and international trade developments.

✔ Understand changes to customs procedures, tariffs, quotas, trade remedies and border requirements before they affect your business.

✔ Reduce the risk of customs delays, incorrect declarations, unexpected duties and compliance failures.

✔ Receive practical intelligence covering UK imports, exports, HMRC requirements and international trade developments affecting UK businesses.

✔ Save valuable research time with one curated source of actionable customs and trade intelligence.

Extensive UK Customs & Trade Coverage

Whether your business imports into the United Kingdom, exports to international markets, manages cross-border supply chains or supports international customers and suppliers, The Customs Watch UK helps you monitor the regulatory and commercial developments that can affect your transactions.

Our coverage brings together developments involving:

• UK customs procedures and declarations

• HMRC guidance and regulatory changes

• Customs Declaration Service (CDS) developments

• Import and export requirements

• Tariffs and customs duties

• Tariff quotas

• Trade remedies, including anti-dumping and countervailing duties

• Rules of origin and preferential trade

• Free trade agreements

• Commodity codes and customs classification

• UK CBAM

• Northern Ireland trade

• Customs enforcement and compliance risks

Our Trade Intelligence Service

The Customs Watch UK

Stay informed with expert-curated intelligence designed for customs professionals, trade compliance teams, importers, exporters, logistics professionals, freight forwarders, customs intermediaries and businesses managing international supply chains.

Trade Intelligence Services

We transform complex customs and international trade developments into practical business intelligence that supports faster, better-informed compliance, supply-chain and commercial decisions.

Knowledge Hub & Content Library

Access a growing library of expert articles, videos, guides and practical resources covering UK customs, tariffs, rules of origin, international trade, customs compliance and global supply-chain risk.

How Customs Manager Ltd Can Support You

Expert Consultancy & Advice

Discuss the implications of UK customs and international trade developments for your business.

Schedule a free one-hour consultation here → Book Expert Call.

Specialised Training

We offer live, on-demand and in-house training covering:

• UK customs compliance

• Import and export procedures

• Rules of origin

• Tariffs and trade remedies

• Customs declarations

• UK CBAM

• International trade compliance

• Supply-chain risk

Visit: www.customsmanager.org → Events

Free Information and Updates

• Weekly Newsletter

• Weekly Videos

Related Topics

#CustomsWatchUK #UKCustoms #UKTrade #HMRC #CDS #TradeCompliance #CustomsCompliance #UKCBAM #TradeRemedies #TariffQuotas #RulesOfOrigin #InternationalTrade #GlobalTrade #SupplyChain #TradeIntelligence #CustomsIntelligence #UKImport #UKExport #CustomsManager

Author

Ann Karen | Head of Growth

Updated: 4 September 2026

Disclaimer

This article is provided for general informational purposes only and does not constitute legal, customs or tax advice. Businesses should seek professional advice based on their individual trading arrangements and compliance obligations.

Want to read more?

Subscribe to customsmanager.info to keep reading this exclusive post.

Subscribe Now