Mediation under EU marketplace rules: what it means for marketplace sellers

TL;DREU marketplace rules give sellers on platforms such as Amazon IT a formal right to mediation when a suspension, delisting, or restrictive measure cannot be resolved through the platform's own complaint-handling system. Mediation under EU marketplace rules is a structured, externally facilitated process – not an internal Amazon review – rooted in the Platform-to-Business (P2B) Regulation and reinforced by the Digital Services Act (DSA). For sellers who believe a suspension looks final and the appeal path is unclear, understanding this mechanism is the difference between accepting a bad outcome and using the leverage the law actually provides.

This analysis covers what mediation under EU marketplace rules actually is on Amazon IT, how the procedural path runs from first complaint to mediator engagement, and the decision points a seller must weigh before committing to the process. The closing sections address common misconceptions and practical next steps.

Why EU sellers have more leverage than they think after a suspension

EU law has created a mandatory framework that large platforms operating in the European Union – including Amazon's Italian marketplace – cannot simply ignore. A seller who receives a suspension notice on Amazon IT is not left with only a "respond to Seller Central and hope" option. The rules impose obligations on the platform itself: to explain, to provide access to an internal complaint mechanism, and, if that fails, to engage in mediation through pre-identified external mediators.

The myth that EU sellers have no leverage once a platform suspends them persists because most sellers do not know the framework exists. In matters we handle involving Amazon IT suspensions, sellers frequently arrive having exhausted every internal appeal without ever having invoked the formal external rights available to them. That is a significant missed opportunity – and it is often still recoverable if the right steps are taken before the account situation becomes permanent.

What changed when the P2B Regulation took effect across EU member states is straightforward in principle: business users of online intermediary services gained enforceable procedural rights. A platform must state its reasons for a restrictive measure; it must provide an internal complaint-handling system; and it must offer mediation through at least two external mediators nominated in its terms. These are not aspirational commitments. They are legal obligations, and failing to honor them has regulatory consequences for the platform.

The Digital Services Act adds another layer for very large online platforms (VLOPs) such as Amazon. The DSA's statement-of-reasons requirement and internal complaint-handling obligations reinforce the P2B framework and give sellers an additional procedural hook. Together, these instruments mean that a seller facing an Amazon IT suspension in 2027 is not in the same legal position as a seller in 2015. The question is whether they use those rights effectively.

What mediation under EU marketplace rules actually is on Amazon IT

Mediation under EU marketplace rules is a formal, third-party facilitated process in which an independent mediator helps the platform and the business user reach a negotiated resolution – it is not an internal Amazon review, and it is not litigation. The P2B Regulation requires platforms operating in the EU to identify at least two external mediators in their terms of service. For Amazon IT sellers, those mediators are named in the Business Solutions Agreement applicable to EU accounts, and they operate under confidentiality and impartiality obligations.

A mediator's role is facilitative, not adjudicatory. The mediator does not issue a binding ruling. Instead, the process creates a structured dialogue – typically through written exchanges and, in some matters, facilitated calls – with the aim of reaching an agreed outcome. The seller and Amazon both participate voluntarily in that dialogue, though the platform's obligation to engage is not optional: the P2B Regulation's mediation requirement means that a platform cannot simply refuse to appear. That asymmetry matters.

On Amazon IT specifically, the platform is governed by both the P2B Regulation and the DSA. A "statement of reasons" for a suspension must be provided to the seller at the time of the measure. If that statement is inadequate – which we regularly see in matters involving automated enforcement decisions – it is itself grounds for a complaint and a factor the mediator can consider. An inadequate statement of reasons is not a technicality; it is a substantive procedural failure that affects whether the suspension can be upheld.

A definitional point worth stating clearly: mediation under the P2B framework is available for disputes about "differential treatment," "ranking," "access to data," and "restrictive measures" (including suspensions and delistings). It is not limited to full account terminations. A seller whose listings have been removed on safety grounds, or whose account has been restricted rather than fully deactivated, may have an equal or stronger case for mediation than one whose account is entirely closed.

Where the mediation covers product delisting or suspension tied to compliance claims – CE marking, safety assessments, General Product Safety Regulation (GPSR) issues – the seller's submission will need to engage directly with those compliance questions. Our guide on EU listing takedowns on safety grounds covers the preparatory work that underpins any effective mediation submission in those cases.

How does the procedural path actually run from complaint to mediator?

The procedural path to external mediation begins inside the platform, not outside it. The P2B Regulation requires that sellers exhaust the internal complaint-handling system before accessing external mediation – and the quality of the internal complaint submission has a direct effect on what happens later.

The first step is the internal complaint. When Amazon IT issues a suspension or a restrictive measure, the seller must submit a formal complaint through the platform's designated internal system – not simply respond to a Seller Central notification as if it were a standard appeal. The distinction matters because it creates a record and triggers the platform's obligation to respond substantively. A seller who submits a generic reinstatement appeal has not formally engaged the internal complaint-handling mechanism under the P2B Regulation.

If the internal complaint does not resolve the matter within a reasonable period – or if the platform's response is inadequate – the seller may request mediation. At that point, the seller approaches one of the external mediators named in Amazon's terms. The choice of mediator is itself a decision that deserves attention; the mediators may have different procedural approaches and different areas of familiarity with platform disputes.

The mediator will typically request a written submission from each party. The seller's submission is the heart of the process. It needs to explain the underlying facts, identify the specific legal obligation the platform has failed to meet, address any compliance questions head-on, and propose a concrete resolution. A submission that simply asserts the suspension was wrong will not perform well. The mediator is not there to decide who is right; they are there to create conditions for agreement. The seller's submission needs to make agreement commercially attractive for the platform while grounding every argument in the applicable legal instruments.

Timeline expectations are worth managing carefully. Mediation under EU marketplace rules is not a fast process. The internal complaint phase alone can take several weeks, depending on how the platform responds. The external mediation phase, once initiated, may run for several additional months before a resolution – or a decision to close without agreement – is reached. For a seller whose inventory is held or whose listings are down, that timeline has a direct commercial cost. That cost is itself a factor in whether mediation is the right tool, or whether parallel tracks make more sense.

For a fuller grounding in the regulatory instruments that govern each stage, the firm's complete guide to EU marketplace regulation for sellers covers the P2B Regulation, the DSA, and the Digital Markets Act (DMA) in the operational terms that matter for Amazon and Walmart sellers.

What are the real trade-offs at each decision point?

Choosing to pursue mediation is not a binary decision between "do nothing" and "go to mediation." The seller's decision tree has at least three branches, each with different cost, timeline, and outcome profiles, and the right path depends on the specific facts of the suspension.

The first branch is an enhanced internal complaint. In many matters, the reason a seller's internal appeal failed is not the underlying facts but the framing. An internal complaint that properly identifies the P2B and DSA obligations at stake – and formally places the platform on notice that those obligations have not been met – sometimes produces a resolution without ever reaching an external mediator. The commercial upside is that this is faster and less expensive than full mediation. The risk is that a poorly constructed complaint sets a weak record for the mediation stage if it does not resolve the matter.

The second branch is formal mediation. This is appropriate when the internal process has genuinely been exhausted and the dispute involves a substantive question about the platform's obligations – a failure to provide an adequate statement of reasons, a suspension that appears to be applied inconsistently, or a compliance determination that the seller can challenge with evidence. Mediation is not appropriate simply because the seller is frustrated with Seller Central's standard responses; it requires a substantive legal argument to be worth the time and cost.

The third branch involves parallel regulatory engagement. In some matters, it makes sense to alert the relevant national authority – the authority designated under the P2B Regulation in the seller's member state – that a platform is failing its mediation obligations. This is not litigation and does not produce a rapid individual remedy, but it creates external pressure and forms part of a broader record. For sellers in Italy, the relevant regulatory environment also includes national consumer and product safety authorities who may have an interest in the specifics of a GPSR-related delisting.

A fourth consideration is timing. The P2B Regulation does not impose an absolute deadline for initiating mediation, but delay can harm the seller's practical position. Inventory sits, cash flow suffers, and the longer a listing is inactive, the harder it becomes to rebuild ranking and sales velocity when it is restored. In matters we handle, we advise sellers to move to formal mediation request promptly once the internal complaint phase has closed without a satisfactory outcome.

If the suspension involves a CE marking or GPSR compliance claim, the seller also faces a technical evidence question: can the required documentation be produced? Engaging with that question early – and building the compliance record before the mediation submission – is often what determines whether the matter can be resolved. Our step-by-step guide on handling a CE marking complaint and delisting addresses that preparation in detail.

What a strong mediation submission looks like – and where sellers go wrong

The sellers who do worst in mediation are not those with the weakest underlying cases. They are those who submit the wrong type of document at the wrong stage. Mediation under EU marketplace rules is a legal process facilitated by an expert third party, not a customer-service escalation. The submission that works in Seller Central's appeal interface – apologetic, brief, action-oriented toward internal metrics – performs poorly in front of a mediator applying the P2B Regulation.

A strong mediation submission does several things. It opens with a precise statement of the relief sought: not "please reinstate my account" but "we request that the restrictive measure applied on [date] be lifted and that the statement of reasons be corrected to accurately reflect the basis for the measure." It identifies the specific obligations under the P2B Regulation and, where applicable, the DSA that the platform has failed to meet. It addresses the underlying compliance issue directly and attaches documentary evidence – test reports, supplier authorizations, safety assessments – rather than characterizing compliance in the abstract.

Where sellers routinely go wrong, in our practice, is in three areas. First, they conflate the internal appeal with the internal complaint. These are procedurally distinct, and submitting an appeal does not satisfy the internal complaint obligation under P2B. Second, they submit without engaging the mediator's procedural rules – each named mediator will have process requirements, and ignoring them loses procedural credit. Third, they fail to propose a concrete resolution framework, leaving the mediator with no agreed basis to work toward. A mediator cannot negotiate a settlement that neither party has articulated.

The commercial context also needs to appear in the submission. An Amazon IT seller whose listings have been down for several months has a quantifiable commercial harm from the ongoing restrictive measure. While the mediation does not result in a damages award, the existence and scale of that harm is a legitimate factor in framing the urgency and proportionality of the platform's response. Presenting it properly is a question of tone and legal framing, not advocacy theater.

A mid-size consumer electronics accessories seller on Amazon IT (fall 2026) came to us after two rounds of internal appeals had failed to address a GPSR-related suspension. The original statement of reasons cited a vague "product safety concern" without identifying the specific listing or the regulatory basis. We rebuilt the internal complaint, formally identified the failure to provide an adequate statement of reasons under the DSA and P2B Regulation, attached the relevant Declaration of Conformity and test documentation, and submitted a structured mediation request to the mediator named in the applicable BSA. The matter moved to a facilitated exchange, and the listings were restored after the mediation process completed.

The platform's perspective: why mediation is not always adversarial

Understanding the platform's commercial and regulatory incentives matters for how a seller approaches mediation. Amazon is not a monolith with a single view of every dispute. The enforcement decisions that generate suspensions on Amazon IT are typically made by automated systems or enforcement teams that apply rules without full visibility into a seller's account history, compliance posture, or specific product documentation. The mediation process, by its nature, brings a more considered review by personnel who are not bound by the same automated triggers.

Platforms also have regulatory incentives to settle mediations where they can. A pattern of mediation failures – inadequate statements of reasons, unreasonable refusals to engage, disproportionate measures – is the kind of record that national regulators and the European Commission's enforcement teams under the DSA pay attention to. For Amazon as a VLOP, regulatory scrutiny of its internal complaint and mediation practices is an ongoing operational concern, not an abstract future risk.

This does not mean that mediation always succeeds, or that the platform's position is always negotiable. Where a suspension reflects a genuine compliance failure that the seller cannot document its way out of, mediation will not produce reinstatement regardless of how the submission is framed. Honest case assessment – including the possibility that the platform's position is defensible – is part of the service we provide before recommending mediation as a route.

What mediation does provide, even in difficult cases, is a structured forum for the seller's position to be heard and considered by someone independent of the platform's enforcement team. That procedural fairness guarantee is itself something the P2B Regulation was designed to deliver, and it distinguishes EU sellers' options from those of sellers on purely domestic US marketplace accounts, where no equivalent external mechanism exists.

A second illustrative matter: a specialist kitchenware brand selling on Amazon IT and Amazon DE (spring 2027) faced a differential treatment complaint – its products were being systematically downranked in search results while a competing product (with an apparent connection to a platform-affiliated vendor) was elevated. The internal complaint produced a response that acknowledged the concern without committing to any change. We prepared a formal mediation submission grounded in the P2B Regulation's prohibition on differential treatment without objective justification, and the matter entered the formal mediation phase. The outcome is ongoing – which itself illustrates that mediation is a process, not a switch.

The DMA and the limits of the P2B Regulation: what sellers on Amazon IT should know

The Digital Markets Act (DMA) and the P2B Regulation operate in parallel but serve different purposes. The P2B Regulation gives individual business users procedural rights – complaint, mediation, transparency – against the platforms they use. The DMA addresses structural market conduct by "gatekeeper" designated platforms, imposing obligations around self-preferencing, data access, and interoperability that benefit the market as a whole but do not, in themselves, give an individual seller a private right of action.

For an Amazon IT seller considering mediation, the DMA is relevant background context rather than a direct tool. Where a suspension or restrictive measure reflects conduct that also implicates the DMA's gatekeeper obligations – for example, a platform using non-public seller data to compete against that seller's own products – that context can inform the framing of a P2B complaint and mediation submission, even if the DMA enforcement route runs through the European Commission and national authorities rather than a mediator.

The practical takeaway is that sellers operating on Amazon IT should build their EU-law strategy around the P2B Regulation and the DSA as primary instruments, with the DMA as a secondary framing device. Neither regulation requires a seller to understand its full legal architecture to invoke the practical rights it creates. What matters operationally is knowing which procedural steps trigger which platform obligations – and moving through those steps in the right order with the right documentation.

Understanding the Bundeskartellamt's ongoing proceedings and the European Commission's VLOP investigations under the DSA provides useful context for sellers thinking about the regulatory pressure on platforms, but those enforcement tracks operate independently of an individual seller's mediation. We work with appropriate local counsel on matters that require engagement with national regulatory authorities in EU member states where specialist representation is needed.

Decision matrix: which path fits which situation?

If the suspension notice cites a product safety or compliance ground – GPSR, CE marking, or a related standard – the route begins with a technical evidence audit before any complaint or mediation filing. The timeline depends on how quickly the seller can produce or reconstruct the required documentation, typically several weeks at minimum. Moving to mediation without that documentation in hand is premature and weakens the submission.

If the notice cites a policy violation without specifying which policy or which listing, the statement of reasons is likely inadequate on its face. That inadequacy should be the first argument in the internal complaint, and if the platform's response does not correct it, it becomes the primary ground for the mediation request. This type of case can move to mediation faster because the legal argument is procedural rather than substantive.

If the measure is a ranking or visibility restriction rather than a full suspension, the P2B Regulation's differential treatment provisions apply. The internal complaint framing shifts from "restore my listings" to "provide objective justification for the differential treatment or restore parity." These cases are often slower to resolve because the evidence of differential treatment requires comparative data that the seller may not hold independently.

If the seller is facing a restriction on a specific product category rather than the whole account, mediation is often a more proportionate tool than escalating to the level of a full account deactivation response. Proportionality is itself a principle the mediator will apply; a submission that frames the dispute accurately – and does not overstate the seller's grievance – performs better than one that treats every restriction as an existential threat.

The steps above describe the standard structure. Your specific situation turns on the exact wording of the notice, the account's compliance history, and the timing of any prior internal complaints – which is what we review first before advising on which path is realistic for you.

For a confidential review of your Amazon IT situation, email info@tutamenlaw.com. Fees for EU marketplace regulation matters are fixed and quoted up front after a short initial review of the notice and account history.

Related areas

• EU Marketplace Regulation – Complete Guide – the full P2B, DSA and DMA framework for Amazon sellers
• EU Listing Takedown on Safety Grounds – Checklist – step-by-step preparation for GPSR and CE marking disputes

Frequently asked questions

How long does resolving mediation under EU marketplace rules usually take on Amazon IT?

There is no fixed statutory deadline, and timelines vary depending on complexity and the mediator's caseload. In practice, the internal complaint phase alone often takes several weeks before it is formally exhausted. The external mediation phase, once initiated, typically runs for several additional months. A seller should plan for a process measured in months rather than days, and should manage inventory, cash flow, and alternate channel planning accordingly while the matter is open.

What are the main risks if I handle mediation under EU marketplace rules alone?

The primary risk is a poorly framed submission that creates a weak record. A submission that conflates the internal appeal with the formal P2B complaint, or that fails to engage the mediator's procedural rules, can close off the mediation route without a substantive hearing. A second risk is timing: moving to mediation before exhausting the internal complaint stage, or waiting so long that the commercial damage becomes irreversible, both carry real costs. The mediation record can also affect subsequent regulatory or legal proceedings, so what is said – and how – matters beyond the immediate outcome.

Do I need a lawyer for mediation under EU marketplace rules?

The P2B Regulation does not require legal representation for mediation; sellers may engage mediators directly. In practice, however, the distinction between a procedural complaint, a substantive DSA argument, and a compliance evidence submission is not always obvious to a seller working without legal support. In matters we handle on Amazon IT, the gap between a seller's first unassisted submission and a legally grounded one is often what determines whether the mediation produces a workable resolution. Attorney-led review from the outset is more efficient than repairing a submission that has already been filed.

About Tutamen

Tutamen is an independent law firm for online marketplace sellers. We represent Amazon, Walmart, Etsy and eBay sellers in account deactivations, frozen-funds recovery, intellectual-property disputes, arbitration and Notices of Dispute, and US federal Schedule A defense, plus EU marketplace regulation. Our work is attorney-led and confidential, with fees quoted up front. We act for founders, brand owners and in-house teams who need a specialist for a marketplace dispute. Our EU regulation practice draws on direct familiarity with the P2B Regulation, the DSA, and the DMA as applied to Amazon and other platform disputes across EU member states. To discuss your situation, email info@tutamenlaw.com.

By Claire Donnelly – arbitration and disputes analyst, Tutamen

Published February 12, 2027

Disclaimer: This article is general information, not legal advice, and does not create an attorney-client relationship. Marketplace policies and the law change, and every account and case is different. For advice on your situation, contact Tutamen at info@tutamenlaw.com.