ADR 2026: Who Is Liable for a Roadside Inspection Violation?

Since 24 June 2026, a harmonised checklist has applied across the European Union to the road transport of dangerous goods (ADR - the European agreement on the international carriage of dangerous goods by road, which also frames France's domestic rules). It identifies precisely which actor in the supply chain - the consignor, the loader, the filler, the carrier, the consignee or the unloader - is liable for a violation found during a roadside inspection. The framework stems from Commission Delegated Directive (EU) 2025/1801, transposed into French law by the arrete (a French ministerial order) of 23 December 2025, which amended the 29 May 2009 order governing the domestic transport of dangerous goods (the "TMD order"). This article describes French law as it implements this EU-wide framework.

At a Glance

• Commission Delegated Directive (EU) 2025/1801, published 13 October 2025, updates Annexes I and II of Directive (EU) 2022/1999 on uniform procedures for checking the road transport of dangerous goods.
• The new rules have applied across the EU since 24 June 2026; France anticipated transposition through the arrete of 23 December 2025 amending the TMD order of 29 May 2009.
• The harmonised checklist now attaches specific ADR obligations to each supply-chain actor: consignor, loader, packer, filler, carrier, consignee, unloader.
• Violations are now classified into three risk categories, with Category I triggering immediate vehicle immobilisation.
• Missing or inaccurate ADR documentation can now be attributed to a specific actor in the chain, not only to the carrier.

What Actually Changes as of 24 June 2026?

As of this date, every EU member state applies the same checklist during roadside inspections of vehicles carrying dangerous goods. Each item on the list refers to a specific ADR provision, which limits divergent interpretation from one country to another.

Before this reform, ADR roadside checks relied on uneven national practices, producing variable outcomes depending on the member state crossed. Delegated Directive (EU) 2025/1801, published 13 October 2025, updates Annexes I and II of Directive (EU) 2022/1999 to harmonise these procedures and align them with the latest technical developments under the ADR agreement. In France, the arrete of 23 December 2025, which amended the TMD order of 29 May 2009 on the domestic transport of dangerous goods, anticipated by several months the transposition deadline of 23 June 2026 set by the EU text.

Who in the Supply Chain Can Be Held Liable for an ADR Violation?

The new checklist no longer targets only the driver or the carrier: it attaches each ADR requirement to the actor responsible for it. A failure can now be attributed to the consignor, the loader, the packer, the filler, the carrier, the consignee or the unloader, depending on the nature of the obligation at stake.

In practice, a loading or securing defect falls on the loader, a labelling or packaging defect on the consignor or packer, missing transport documents or an expired driver training certificate on the carrier, and a tank defect can be attributed to its operator. This granularity changes the picture for businesses that, until now, may have considered themselves outside the direct scope of roadside checks because they were neither the carrier nor the driver - a packing or filling site, for instance.

How Are ADR Violations Now Classified?

The directive introduces a three-tier risk classification common to all member states. This classification determines the severity of the sanction and what follows the inspection.

Category	Risk level	Examples	Immediate consequence
I	High	Leaking dangerous substance, missing transport documentation, no valid driver ADR certification	Immediate vehicle immobilisation
II	Medium	Defective extinguisher, incorrect labelling	Prompt corrective measures
III	Low	Formal deficiency or minor error with no impact on safety	Correction can be deferred

A Category I violation covers situations presenting a risk of death, serious injury or significant environmental damage. It is the only category that results in the vehicle being stopped immediately by inspectors.

What Is the Risk of Missing or Incomplete ADR Documentation?

Mandatory ADR documents - driver training certificates, transport documents, written instructions, vehicle approvals - must be present in the cab and accessible during any inspection. A missing or inaccurate document can lead to the vehicle being detained and administrative or criminal sanctions being applied, depending on the risk category assigned by the inspecting officer.

Electronic versions of these documents are accepted, but only if the company can guarantee immediate and reliable access at the time of inspection - a copy stored solely on a remote server, unreachable offline, does not meet this requirement in practice.

What Does This Mean for Transport and Logistics Insurance?

This clarification of liability by actor does not, on its own, change civil liability rules or existing insurance contracts. What it does change is the likelihood that a given actor - loader, filler, tank operator, consignee - is individually identified and sanctioned during an inspection, where it might previously have felt shielded behind the carrier's overall liability.

For a transport company, this strengthens the case for checking that its operating liability cover and its carrier cargo liability cover genuinely respond to the consequences of a vehicle immobilisation or a dispute linked to an ADR violation arising from its own documentation chain. For a loader, packer or tank operator that does not hold carrier status, the question is different: these actors are rarely covered by a carrier's policy, and their own exposure to an ADR violation depends on their operating liability or professional liability contract. The exact scope of that cover depends on each contract and the activity actually carried out - it needs to be checked case by case, depending on your situation.

How to Prepare for an ADR Roadside Inspection in Practice?

Three checks cover most of the risk: the actual presence, on board, of every ADR document required for the specific route and load; the validity of the driver's ADR training certificate on the day of the inspection; and consistency between labelling, packaging and the transport document.

For businesses operating upstream of transport itself - loading, packaging, tank filling - the new checklist is a useful reference for documenting, on their own side, compliance with the obligations that are specifically theirs, independently of what the carrier does downstream, in the same spirit as the compliance checks already applied to vehicles fitted with a smart tachograph.

Frequently Asked Questions

Does Delegated Directive (EU) 2025/1801 apply outside France?

Yes. It is an EU text that updates Annexes I and II of Directive (EU) 2022/1999 and has applied across all member states since 24 June 2026. Each member state had to transpose it into national law; France did so through the arrete of 23 December 2025 amending the TMD order of 29 May 2009.

Is an electronic ADR document accepted during a roadside inspection?

Yes, provided the company can guarantee immediate and reliable access to the document at the time of the inspection. A document stored only on a remote server with no offline access does not meet this requirement and carries the same risk as having no paper document at all.

What is a Category I violation under the new ADR classification?

It is the highest risk level: a leaking dangerous substance, a complete absence of transport documentation, or no valid ADR certification for the driver. These situations trigger immediate vehicle immobilisation by inspectors, unlike Categories II and III.

Does the new checklist apply to own-account transport?

Yes. ADR rules govern the transport of dangerous goods based on the nature of the load, regardless of the carrier's status. Whether a business transports for hire or on its own account, the same documentation and risk-classification obligations apply during a roadside inspection.

Who checks a load's compliance at the time of inspection?

The inspection is carried out by police, gendarmerie or authorised road-traffic officers using the harmonised checklist. Each item checked refers to a specific ADR provision and to the supply-chain actor responsible for it, which determines how the violation is handled.

What McLer Does

McLer is an insurance brokerage specialised in corporate risk for the road transport and construction sectors. Based in the Paris region, McLer supports French SMEs and mid-sized companies (ETI) on the design, negotiation and ongoing management of their insurance programmes. On dangerous goods risk, this support covers in particular operating liability and carrier cargo liability cover, whose scope is worth reviewing in light of this new allocation of responsibility across supply-chain actors.

Do You Transport or Arrange the Transport of Dangerous Goods?

Depending on your situation - carrier, loader, packer or tank operator - exposure to an ADR violation and the cover that responds to it are not the same. McLer can review your operating liability and carrier cargo liability cover with you.

Learn more about French road transport insurance