What is Chain Liability?
Chain liability, known in Dutch as ketenaansprakelijkheid, is a statutory rule that makes a client or principal contractor jointly liable for wage tax, social insurance premiums, and minimum wage owed by a staffing firm, contractor, or any lower-tier subcontractor that supplies labour within a work chain. The rule is codified in Article 34 and 35 of the Invorderingswet 1990 and was extended to minimum wage claims by the Wet aanpak schijnconstructies (WAS) on 1 July 2015.
The purpose is to protect workers and the Dutch treasury. When a supplier fails to pay wage tax, premiums, or statutory wages, the Belastingdienst, UWV, or the worker can recover the outstanding amounts directly from a party higher in the chain, provided the supplier cannot pay.
How does Chain Liability work?
Liability attaches automatically once labour is supplied under a contracting or hiring arrangement. The Belastingdienst can issue a naheffingsaanslag to the client for the supplier's unpaid wage tax, and UWV can recover unpaid social premiums. Since the WAS, workers can also sue the principal for unpaid statutory minimum wage and holiday allowance.
Three mitigation mechanisms are available. First, a blocked G-account at the supplier allows the client to pay the wage-tax portion of each invoice directly to a ring-fenced account, releasing that amount from joint liability. Second, sourcing only from suppliers listed in the SNA register under NEN 4400-1 certification triggers a rebuttable presumption of compliance. Third, careful contract documentation, including copies of worker identification, time records, and payroll proof, supports a due-diligence defence.
Octagon's Employer of Record services support G-account payments on every engagement, which gives clients a concrete, documented mechanism to mitigate chain-liability exposure. For a practical cost framing, see EOR hidden costs. For deeper treatment of the regime, see chain liability guide 2026.
Who does Chain Liability apply to?
Chain liability applies to any Dutch organisation that hires in temporary labour or subcontracts work. It is particularly relevant for construction, logistics, agriculture, manufacturing, cleaning, and any sector using multi-tier subcontracting. It also applies to foreign principals who engage Dutch or EU workers through Dutch suppliers, and to clients using payrolling or Employer of Record services where the provider is not properly certified. Public sector contracting authorities face the same rules and increasingly require SNA-registered suppliers in tenders.
When does Chain Liability not apply?
Chain liability does not apply to genuine purchases of goods without a labour component, nor to arms-length service contracts where the supplier delivers a complete, result-based service using its own staff on its own premises, outside the client's direction. It is also limited where the engagement is with a genuine independent professional under the Wet VBAR framework, since no employment chain exists. Finally, international arrangements where all workers, employers, and services are outside Dutch territory fall outside the scope, though cross-border postings into the Netherlands are covered by equivalent rules under the Wet arbeidsvoorwaarden gedetacheerde werknemers in de Europese Unie (WagwEU).