What is marketplace EPR liability and how does it affect operators?

An e-commerce marketplace operator faces extended producer responsibility (EPR) liability when third-party sellers on their platform fail to meet environmental compliance requirements. In Germany, enabling an unregistered manufacturer to offer electrical equipment through a marketplace can trigger a fine of up to 100,000 EUR under the ElektroG.

Historically, environmental compliance was the sole burden of the entity manufacturing or importing a physical good. Authorities could easily audit containers arriving at a port or inspect a domestic factory. Online sales channels disrupted this linear supply chain model by allowing thousands of overseas merchants to sell directly to consumers without ever registering in the destination country. To close this enormous compliance gap, regulators introduced secondary liability mechanisms targeting the platforms that facilitate these distance sales.

If a seller does not hold valid registrations for the packaging, electronics, or batteries they ship, the marketplace must step in. This means the operator is forced to track merchant compliance, block non-compliant listings, and in many cases, pay the outstanding recycling fees out of their own pocket. For operators, this creates a massive data-gathering challenge and fundamentally alters the relationship they have with their vendor base, transforming technology companies into environmental enforcement agents.

What E-commerce Marketplace Operator (EPR liability) actually means

A marketplace operator is a business that runs a digital platform, portal, or interface allowing third-party sellers to conclude distance contracts with consumers. Under modern EPR frameworks, these operators carry secondary or "deemed" liability for the products and packaging sold through their sites. If the primary seller is not registered with the relevant national authority or producer responsibility organisation, the marketplace inherits the legal status of the producer.

This shift in responsibility forces platforms to build sophisticated verification systems to check the registration numbers of every single seller. When a seller cannot prove compliance, the operator must either block the seller from the platform entirely or report and pay the recycling fees on the seller's behalf. This ensures that no product or packaging enters a market without contributing to the local waste management infrastructure. It also levels the playing field for domestic producers who already pay these fees.

Marketplaces face strict legal obligations to verify the compliance of third-party sellers, and when merchants fail to register, the platform itself is legally required to assume the financial and reporting duties for those sales.

The administrative burden placed on platforms is vast. They must integrate their merchant onboarding processes with national public registers, manage continuous seller communications, and handle the financial reconciliation of deducting eco-fees from seller payouts. It creates a new operational cost centre for technology platforms, requiring dedicated compliance teams to monitor international regulatory updates constantly.

Does this apply to me?

This applies directly to businesses operating online marketplaces, digital platforms, or delivery applications that connect independent sellers with buyers. The specific obligations and enforcement mechanisms vary depending on the jurisdiction and the waste stream involved.

In France, since 1 January 2022, marketplaces must verify the unique identifier (IDU) of their sellers (L'Identifiant Unique de la REP des Emballages de la Restauration - Citeo). If a seller does not have an IDU, the marketplace must declare the products and pay the EPR contributions. This applies to household packaging, printed paper, and even catering packaging managed by food delivery platforms (Mon adhésion - Citeo.com). A marketplace must keep an up-to-date register of third-party sellers containing the seller's identity, the IDU for each EPR scheme, and the number of packaged products sold per year via the platform.

In Germany, under the Electrical and Electronic Equipment Act (ElektroG), operators of electronic marketplaces and fulfilment service providers have been obligated since 1 July 2023 to check the proper registration of manufacturers (Elektro- und Elektronikgerätegesetz - Umweltbundesamt). Enabling the offer or provision of electrical equipment by unregistered manufacturers is a direct violation of the law.

In Spain, if products packaged outside of Spain are sold through an e-commerce platform and the producer has not appointed an authorised representative in the country, the platform acts subsidiarily as the producer (Real Decreto 1055/2022, de 27 de diciembre, de envases y residuos de). The platform must then fulfil the financial, information, and organisational obligations for that packaging.

In the UK, a business is considered to be carrying out the activity of "owning an online marketplace" if it operates a website or app allowing non-UK businesses to sell goods into the UK. If the platform only sells goods from UK organisations, it is not classed under this specific activity, although it must still check if other packaging activities apply to its operations.

Under the upcoming EU Packaging and Packaging Waste Regulation (PPWR), providers of online platforms must obtain from producers their registration information and a self-certification of compliance before allowing them to use their services. The platform must make best efforts to assess if the information is complete and reliable, using official online databases where available.

How much can marketplace operators be fined for hosting non-compliant sellers?

Marketplace operators face severe financial risks for non-compliance, alongside significant data collection requirements to prove their vendors are operating legally.

Common misconceptions about e-commerce marketplace operator (EPR liability)

• Only the physical manufacturer is responsible for recycling fees. This is incorrect. If the physical manufacturer or the direct seller fails to register, the liability moves up the chain to the marketplace operator facilitating the sale. The platform acts as the ultimate safety net for compliance.
• Platforms just need to ask sellers to check a compliance box. Asking is not enough. Operators must actively verify registration numbers against official national databases and ensure the information remains valid throughout the seller's time on the platform.
• Marketplaces cannot be fined if a foreign seller ignores the rules. Authorities routinely fine the marketplace operator precisely because the foreign seller is out of jurisdictional reach. The platform bears the entire legal and financial risk for unrepresented foreign merchants.
• Business-to-business (B2B) marketplaces are totally exempt. While many early regulations focused strictly on household waste, business-to-business platforms are increasingly drawn into scope depending on the material and the specific national law governing the transaction.

5 examples of marketplace compliance requirements

• Registration verification: The platform builds an automated software tool to check a merchant's provided registration number against the national public register before allowing their product listings to go live.
• Default fee deduction: A marketplace identifies that a seller has no valid EPR registration for packaging. The operator calculates the estimated packaging weight of the seller's historical sales, pays the national eco-organisation, and deducts the exact cost from the seller's next payout.
• Listing suspension: A vendor's compliance number expires or is revoked by the national authority. The marketplace automatically and immediately suspends the vendor's active product listings until a new, valid registration is provided.
• Simplified bulk reporting: An operator managing thousands of small sellers uses a specialised simplified declaration provided by an eco-organisation to report the aggregated sales data of all non-compliant vendors in one single filing.
• Delivery app liability: A food delivery application checks if a local partner restaurant is registered for catering packaging. Because the restaurant is not registered, the delivery app pays the contribution for the takeaway containers used in the orders it facilitates.

Terms related to e-commerce marketplace operator (EPR liability)

Frequently asked questions

What happens if an online platform ignores its secondary EPR obligations?

If an operator fails to verify seller compliance or fails to report on behalf of unregistered sellers, national authorities can issue severe financial penalties. In Germany, enabling unregistered electrical equipment to be sold can lead to fines of up to 100,000 EUR. In France, missing unique identifiers can result in administrative fines up to 30,000 EUR.

Does a marketplace have to declare packaging for every single seller?

No. The marketplace only needs to declare and pay for the packaging of sellers who do not possess their own valid EPR registration. If the seller has a verified unique identifier, the marketplace simply records that number in its register and is exempt from declaring those specific sales.

Can a marketplace block sellers who refuse to register?

Yes, and in many jurisdictions, they are legally required to do so. Under the EU PPWR, if a producer fails to correct inaccurate or incomplete registration information, the fulfilment service provider or online platform must swiftly suspend the provision of its services to that producer in relation to offering products to consumers in the Union.

What information must an operator keep in its seller register?

To prove compliance, marketplaces generally must maintain a register containing the identity of the seller, their unique identifier for each applicable EPR scheme, and the number of packaged products sold per year through the platform.

How does this affect platforms that deliver restaurant food?

Delivery applications and platforms that facilitate the sale of takeaway food are also treated as marketplaces. If the partner restaurant does not have its own compliance registration for the catering packaging used, the delivery platform is obligated to declare and pay the contributions on their behalf.

How do platforms report the data for thousands of non-compliant sellers?

To ease the administrative load, some authorities and producer responsibility organisations offer specialised reporting methods. For instance, Citeo in France offers a simplified declaration with shipping parcels designed specifically for marketplaces, covering up to 500,000 packaged products sold per year per seller.

Sources:

• L'Identifiant Unique de la REP des Emballages de la Restauration - Citeo
• Mon adhésion - Citeo.com
• Elektro- und Elektronikgerätegesetz - Umweltbundesamt
• Real Decreto 1055/2022, de 27 de diciembre, de envases y residuos de
• Extended producer responsibility for packaging: who is affected and what to do
• Packaging waste: prepare for extended producer responsibility - Daera