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Across 39 modules • Updated May 25, 2026
Author
Sorena AI
Published
May 6, 2026
Updated
May 25, 2026
EU Data Act Non-Personal Data and Mixed Datasets

What mixed-dataset access must a data holder provide to a user under the EU Data Act?

The Data Act context is the starting point for this answer. Where the user cannot directly access the data from the connected product or related service, the data holder must make readily available data and necessary metadata accessible to the user without undue delay, in the same quality available to the data holder, securely, free of charge, and in a comprehensive, structured, commonly used, machine-readable format. Where relevant and technically feasible, access should be continuous and real-time.

That duty covers both personal and non-personal data only when the personal-data layer is lawful. If GDPR conditions are not met for a personal-data field, the data holder should not treat that as a reason to suppress the non-personal fields that can lawfully be made available.

  • Deliver in-scope non-personal fields and metadata in the required format and quality.
  • For personal fields, confirm whether the user is the data subject or has a valid GDPR basis for receiving them.
  • Document any excluded field by category: personal-data restriction, inferred or derived data, trade secret, security requirement, unavailable data, or out-of-scope content.
Citations
EU Data Act Non-Personal Data and Mixed Datasets

Can a user ask the data holder to share a mixed dataset with a third party under the Data Act?

Yes, but the same boundaries apply. At the user's request, the data holder must make readily available data and relevant metadata available to a third party under the Data Act conditions. A gatekeeper under the Digital Markets Act is not an eligible third party for this user-requested Chapter II sharing route.

For personal data in a mixed dataset, the data holder may make the data available to the third party only where the GDPR and any relevant ePrivacy conditions are met. For non-personal data, the third party must use the data only for the purposes and conditions agreed with the user, and must erase it when it is no longer necessary for that purpose unless the user has agreed otherwise for non-personal data.

  • Tie third-party sharing to a specific user request and a stated user-approved purpose.
  • Screen the requested recipient for the Data Act gatekeeper exclusion where Chapter II third-party access is used.
  • Add recipient controls for purpose limitation, onward sharing, deletion, trade secrets, security, and non-use for competing connected products.
Citations
Regulation (EU) 2023/2854 (Data Act)

Articles 5 and 6 set user-requested third-party sharing duties, gatekeeper exclusion, GDPR limits, purpose controls, deletion, and onward-sharing restrictions.

EU Data Act Non-Personal Data and Mixed Datasets

What are the main boundaries for non-personal data use by data holders and third parties under the Data Act?

The Data Act context is the starting point for this answer. A data holder may use readily available non-personal data only on the basis of a contract with the user. The data holder must not use that data to derive insights about the user's economic situation, assets, production methods, or use of the product in a way that could undermine the user's commercial position.

Third parties that receive Data Act data at the user's request also face limits. They may not use the data to develop a competing connected product, make it available to a Digital Markets Act gatekeeper, or use non-personal product or related-service data to derive commercial insights about the data holder. These restrictions should be visible in contract terms and recipient controls, not buried in a generic data-sharing policy.

  • Check the user contract before using non-personal product or related-service data internally.
  • Separate permitted aftermarket or related-service use from prohibited development of a competing connected product.
  • Prohibit commercial insight extraction about the user, data holder, or third party where the Data Act restricts it.
Citations
Regulation (EU) 2023/2854 (Data Act)

Articles 4 and 6 limit data holder and third-party use of non-personal product and related-service data, including competitive-product and insight restrictions.

EU Data Act Non-Personal Data and Mixed Datasets

How should trade secrets and security concerns be handled in mixed datasets under the Data Act?

Trade secrets are not a blanket reason to deny a Data Act request. The data holder or trade-secret holder must identify protected data, including relevant metadata, and agree proportionate technical and organisational measures with the user or third party. Examples in the Data Act include contractual terms, confidentiality agreements, strict access protocols, technical standards, and codes of conduct.

Withholding, suspension, or refusal needs a written, substantiated basis. A refusal based on trade secrets is exceptional and must be assessed case by case. Security limits are also narrow: users and data holders may restrict or prohibit access, use, or further sharing where processing could undermine legally-laid-down security requirements of the connected product and cause serious adverse effects to health, safety, or security.

  • Identify trade-secret fields and metadata before applying confidentiality measures.
  • Use proportionate safeguards first; reserve withholding, suspension, or refusal for the Data Act conditions that support them.
  • Keep the written reason, affected fields, measures requested, measures implemented, and any competent-authority notification.
Citations
Regulation (EU) 2023/2854 (Data Act)

Articles 4 and 5 require trade-secret identification, proportionate confidentiality measures, written substantiation, and competent-authority notification for withholding, suspension, or refusal.

EU Data Act Non-Personal Data and Mixed Datasets

How do public-sector requests change the treatment of non-personal data and mixed datasets under the Data Act?

The Data Act context is the starting point for this answer. Chapter V is different from ordinary user and third-party access. Public sector bodies, the Commission, the European Central Bank, and Union bodies may request data from data holders on the basis of an exceptional need, but the request must be limited in time and scope and tied to statutory duties in the public interest.

For public emergencies, the Commission explainer states that the public body should request non-personal data and may request personal data only if non-personal data is insufficient; where possible, the data holder should anonymise it. For non-emergency exceptional need requests, the Data Act route is limited to non-personal data and requires the requesting body to show that it could not obtain the data by other means.

  • Separate Chapter V public-sector requests from Chapter II user or third-party requests.
  • For emergency requests, record why non-personal data is sufficient or why personal data is necessary and anonymisation is or is not possible.
  • For non-emergency requests, verify that the request is for non-personal data and that the requester has documented the public-interest task and failed alternatives.
Citations
EU Data Act Non-Personal Data and Mixed Datasets

What should cloud and data-processing-service teams know about non-personal data under the Data Act?

The Data Act also contains rules for data processing services and international governmental access to non-personal data held in the Union. Providers of data processing services must take adequate technical, organisational, and legal measures, including contracts, to prevent third-country governmental access or transfer of non-personal data where it would conflict with Union or Member State law.

This cloud rule should not be confused with connected-product user access. It is a separate control for providers of data processing services and is relevant when a cloud provider receives a third-country decision or request concerning non-personal data held in the EU.

  • Classify whether the workflow is connected-product access, cloud switching, or third-country governmental access.
  • For third-country governmental access, keep the request, legal basis, conflict assessment, minimisation decision, customer notice analysis, and any national-authority consultation.
  • Do not use cloud-access rules to narrow a user's Chapter II access to connected-product data.
Citations
EU Data Act Non-Personal Data and Mixed Datasets

What evidence should teams keep for Data Act non-personal data and mixed-dataset decisions?

Keep evidence that proves the classification and the outcome, not a generic compliance memo. The minimum useful record is a field-level data inventory, the Data Act role map, the requester and recipient identity checks, the GDPR basis or exclusion for any personal-data fields, and the final delivery or refusal file.

For each excluded or limited field, preserve the reason and source: outside product or related-service data, not readily available, inferred or derived, personal-data restriction, trade secret, security requirement, public-sector-request condition, cloud third-country access rule, or other Union or national law. The record should let a reviewer understand what was delivered, what was withheld, why, who approved it, and what was communicated.

  • Keep the data dictionary, request log, role map, field classification, recipient purpose, and delivery manifest together.
  • Attach GDPR, anonymisation, trade-secret, security, and third-country-access assessments only where those issues affected the result.
  • Store written substantiation and competent-authority or dispute records for withholding, suspension, refusal, or challenged restrictions.
Citations
Regulation (EU) 2023/2854 (Data Act)

Supports evidence fields for user access, third-party sharing, GDPR limits, trade-secret measures, security restrictions, technical protection measures, and dispute routes.

EU Data Act Non-Personal Data and Mixed Datasets

What source evidence should teams keep for a Data Act mixed-dataset decision?

For mixed datasets, the decision record should point to the exact Data Act article or recital, the Commission guidance used, the actor role, and the specific dataset or workflow reviewed. That makes it easier to explain why some fields were shared, some were excluded, and which law controlled each part of the decision.

Keep the cited source URL, decision date, reviewer, unresolved assumptions, and implementation artifact together so the page remains auditable and easy to update when the underlying Data Act process changes.

  • Map the mixed-dataset decision to a cited Data Act source URL.
  • Store the owner, affected workflow, evidence artifact, and review trigger.
  • Keep article-level references with the field-level inventory so reviewers can connect the rule to the decision.
Citations
Regulation (EU) 2023/2854 (Data Act)

Supports evidence fields for user access, third-party sharing, GDPR limits, trade-secret measures, security restrictions, technical protection measures, and dispute routes.

EU Data Act Non-Personal Data and Mixed Datasets

Which team should own a Data Act mixed-dataset implementation decision and keep it current over time?

For mixed datasets, the Data Act workflow should name the legal, product, procurement, cloud, support, or security owner who can change the affected process. The owner should be the person who can approve the field-level classification, route any GDPR or trade-secret review, and close the request with a documented outcome.

For mixed datasets, use one accountable owner per action, then record consulted teams and evidence dependencies separately so the handoffs remain clear if the decision is reviewed later.

  • Assign one accountable owner for the classification and one for the response if the workflow spans multiple teams.
  • Record the legal, product, procurement, cloud, support, and security inputs alongside the final decision.
  • Keep the owner with the cited Data Act source URL and the request log so the decision can be reproduced.
Citations
Regulation (EU) 2023/2854 (Data Act)

Supports evidence fields for user access, third-party sharing, GDPR limits, trade-secret measures, security restrictions, technical protection measures, and dispute routes.

EU Data Act Pre-Contractual Information

What pre-contract information does the EU Data Act require before buying, renting, or leasing a connected product?

The Data Act context is the starting point for this answer. Before conclusion of a purchase, rent, or lease contract for a connected product, Article 3(2) requires the seller, rentor, or lessor to give the user clear and comprehensible information. The disclosure must cover the type, format, and estimated volume of product data the connected product can generate.

The same pre-contract notice should also tell the user whether the product can generate data continuously and in real time, whether data can be stored on the device or on a remote server, the intended retention duration where applicable, and how the user may access, retrieve, or, where relevant, erase the data.

  • Describe the connected product data in user-facing terms, then add format and estimated volume.
  • State whether generation is continuous or real time when the product has that capability.
  • Explain data storage location, retention duration where applicable, and the technical access, retrieval, or erasure route.
Citations
EU Data Act Pre-Contractual Information

What extra pre-contract information is required for a related service under the EU Data Act?

The Data Act context is the starting point for this answer. For a related service, Article 3(3) requires the prospective provider to disclose both product data it expects to obtain and related service data that will be generated. The notice must explain the nature, estimated volume, and, for product data, collection frequency, plus access or retrieval arrangements and storage or retention arrangements.

A related service disclosure also has to say whether the prospective data holder expects to use readily available data itself, the purposes of that use, and whether one or more third parties may use the data for purposes agreed with the user.

  • Separate product data obtained through the related service from related service data generated by the service.
  • Include collection frequency for product data the prospective data holder expects to obtain.
  • State intended use by the data holder and any planned third-party use agreed with the user.
Citations
EU Data Act Pre-Contractual Information

Which data categories should the EU Data Act Article 3 notice describe?

The Data Act context is the starting point for this answer. The Article 3 notice should focus on product data and related service data, not a broad inventory of every file associated with the product. Commission guidance describes Chapter II as covering raw and pre-processed data that are readily available to the data holder, including relevant metadata, while inferred or derived data and protected content can fall outside that Chapter II access scope.

For a useful pre-contract notice, translate internal labels such as telemetry, diagnostics, sensor logs, or app events into the Data Act categories that matter to the user: product data, related service data, readily available data, relevant metadata, and material that is not being offered because it is derived, inferred, content, or otherwise outside the access duty.

  • Identify product data generated by the connected product and related service data generated during the service.
  • Describe raw and pre-processed data that are readily available, including relevant metadata needed to use them.
  • Do not imply that inferred insights, derived analytics, or protected content are automatically available under Article 3.
Citations
EU Data Act Pre-Contractual Information

How should the pre-contract notice explain direct and indirect data access under the EU Data Act?

The Data Act context is the starting point for this answer. Article 3(1) says connected products and related services should be designed so product data and related service data are easily, securely, and freely accessible to the user in a structured, commonly used, machine-readable format, and directly accessible where relevant and technically feasible.

The pre-contract information should therefore say whether access is direct, indirect, or split by data type. Commission FAQ material explains direct access as user access without asking the data holder to act, while indirect access means the user has to ask the data holder, for example through a portal or approval process.

  • Name the user interface, API, export, account, portal, or request route used for each major data category.
  • State when direct access is available and when the user must request access from the data holder.
  • Explain the terms of use and quality of service for the technical means of access or retrieval.
Citations
EU Data Act Pre-Contractual Information

Does the EU Data Act pre-contract notice have to identify the data holder?

The Data Act context is the starting point for this answer. Yes for related services, and in practice the identity question is central for connected products too because the user needs to know who controls access to readily available data. Article 3(3) requires the related service provider to disclose the prospective data holder's identity, such as trading name and geographical address, plus communication means for quick and efficient contact.

Commission FAQ material warns that the manufacturer is not always the data holder. A related service provider or another entity may be the data holder if it controls access to readily available data, and users must be told who the data holder or data holders are before signing the relevant contracts.

  • Name each prospective data holder in the contract pack or linked pre-contract notice.
  • Provide a trading name, geographical establishment address, and efficient contact channel where Article 3(3) applies.
  • Avoid saying 'manufacturer' when a related service provider, component supplier, or other contracted party is the actual data holder for a data stream.
Citations
EU Data Act Pre-Contractual Information

What should the EU Data Act pre-contract notice say about sharing data with third parties?

The Data Act context is the starting point for this answer. For related services, Article 3(3) requires information on how the user can ask for data to be shared with a third party and, where applicable, how to end that sharing. It also requires disclosure of whether the prospective data holder intends to allow one or more third parties to use the data for purposes agreed with the user.

The notice should not overpromise third-party access. Commission guidance states that users can ask data holders to share data with a third party of their choice, but Digital Markets Act gatekeepers are excluded from the third-party role and the Data Act does not oblige a data holder to share with third parties based outside the EU.

  • Explain the user request path for third-party sharing and the stop-sharing path where it applies.
  • State any data holder plan to let third parties use data for purposes agreed with the user.
  • Do not present DMA gatekeepers or non-EU third parties as guaranteed recipients under the Data Act access right.
Citations
EU Data Act Pre-Contractual Information

How does GDPR limit EU Data Act pre-contract information and later access to personal data?

The Data Act does not supersede the GDPR. Commission FAQ material states that the GDPR is fully applicable to personal data processing under the Data Act, and that GDPR rules prevail in a conflict. Article 3 disclosures can describe personal-data categories and access routes, but they do not create a new legal basis for collecting, generating, or disclosing personal data.

Where the user requesting data is not the data subject, personal data can be made available only if there is a valid GDPR legal basis. A practical notice should therefore separate personal and non-personal data where possible, explain when anonymised data may be provided, and avoid suggesting that Data Act access overrides privacy, confidentiality of communications, or data subject rights.

  • State which generated data may contain personal data and which access paths involve personal data processing.
  • Do not use Article 3 wording as a substitute for GDPR transparency notices or a GDPR legal basis.
  • Preserve the GDPR boundary when explaining user access, third-party sharing, anonymisation, and mixed personal/non-personal datasets.
Citations
EU Data Act Pre-Contractual Information

What trade secret and security information belongs in the EU Data Act pre-contract package?

Article 3(3) requires the related-service notice to say whether a prospective data holder is the holder of trade secrets contained in accessible or generated data, and, if not, to identify the trade secret holder. The Data Act also allows safeguards for trade secrets and security, but those safeguards should be explained as limits on access or sharing, not as a blanket reason to avoid clear Article 3 disclosures.

A useful pre-contract package should identify trade secret-sensitive data categories at a high level, explain any agreed confidentiality measures, and avoid exposing the secret itself. If security requirements laid down in EU or national law could restrict access or sharing, the notice should point users to the practical consequence for the relevant data stream.

  • Disclose whether the prospective data holder is also the trade secret holder where Article 3(3)(h) applies.
  • Identify a separate trade secret holder when the prospective data holder is not that holder.
  • Keep trade secret and security limits specific to the affected data category and access route.
Citations
EU Data Act Pre-Contractual Information

Is EU Data Act pre-contractual information the same thing as a declaration of conformity?

No. The Data Act pre-contract obligation is a user-facing information duty about generated data, access, retrieval, data holder identity, third-party sharing, and related limits. It is not a CE-style declaration of conformity or a standalone self-certification document under the Data Act.

A seller, lessor, rentor, or related service provider may choose a stable web page, product documentation, contract schedule, or another appropriate form for the Article 3 information, as long as the user receives clear and comprehensible information before the relevant contract is concluded.

  • Do not label the Article 3 disclosure as a Data Act conformity declaration.
  • Make the disclosure durable enough for the user to store and consult later.
  • Keep the disclosure consistent across product documentation, website copy, contract schedules, and support answers.
Citations
EU Data Act Pre-Contractual Information

What records should teams keep to support the EU Data Act pre-contract information answer later?

For pre contractual information, the Data Act record should identify the source clause, Commission guidance, actor role, dataset, request or contract trigger, and the owner who approved the interpretation.

For pre contractual information, keep the cited external URL, decision date, reviewer, unresolved assumptions, and implementation artifact together so the answer remains auditable.

  • Map the pre contractual information decision to a cited Data Act source URL.
  • Store the owner, affected workflow, evidence artifact, and review trigger.
  • Keep the source citation and approval trail together so later reviewers can confirm the basis for the answer.
Citations
EU Data Act Pre-Contractual Information

Which team should own the Data Act pre-contract disclosure process and keep the templates current?

For pre contractual information, the Data Act workflow should name the legal, product, procurement, cloud, support, or security owner who can change the affected process.

For pre contractual information, use one accountable owner per action, then record consulted teams and evidence dependencies separately.

  • Assign one accountable owner for the disclosure content and one operational contact for updates.
  • Record the legal, product, privacy, and support teams consulted on the final wording.
  • Track who can approve changes when the product, service, or data flow changes.
Citations
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