FAQEUData Act

EU Data Act B2G exceptional need FAQ

When can a public-sector body request data from a business under Chapter V of the EU Data Act?

This FAQ helps check emergency and non-emergency conditions, request contents, response limits, confidentiality, trade secrets, compensation, and evidence.

Author
Sorena AI
Published
May 6, 2026
Updated
Oct 15, 2026
Overview

Chapter V of Regulation (EU) 2023/2854, which has applied since 12 September 2025, lets public-sector bodies, the Commission, the European Central Bank, and Union bodies request data from legal-person data holders only where they demonstrate an . The request must be limited, reasoned, transparent, and tied to a statutory public-interest task. The non-emergency route covers only non-personal data and does not apply to micro or small enterprises. Chapter V is not a route for criminal or administrative offence enforcement, customs, or taxation, and it does not replace existing reporting or legal-access duties.

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11 of 11 questions
Question 1

When does the EU Data Act allow a public-sector body to request business-held data because of an exceptional need?

The EU Data Act allows a Chapter V request only where the requesting public body or EU institution demonstrates an to use certain data, including metadata needed to interpret and use it, for a statutory public-interest task. The need must be limited in time and scope.

There are two routes. For a public emergency, the requested data must be necessary to respond to that emergency and unavailable by alternative means in a timely and effective way under equivalent conditions. Outside a public emergency, the request is limited to non-personal data, must support a specific public-interest task explicitly provided by law, and can be used only after other means to obtain the data have been exhausted.

  • Emergency route: necessary data for response to a declared or determined public emergency, including natural disasters, pandemics, or major cybersecurity incidents.
  • Non-emergency route: specific non-personal data needed for a public-interest task such as official statistics or mitigation of or recovery from a public emergency.
  • Not enough: a broad policy interest, routine procurement preference, repeated reporting demand, or request that can be satisfied from public databases, voluntary provision, existing obligations, or market purchase under equivalent conditions.
Question 2

Who can make a Data Act B2G exceptional-need request, and who can receive one?

The request side is limited to public-sector bodies of Member States, the Commission, the European Central Bank, and Union bodies. The receiving side is a data holder that is a legal person, other than a public-sector body, and that holds the requested data.

A public-sector body from one Member State can request data from a data holder in another Member State, but cross-border requests have an extra protection step: the competent authority in the data holder's Member State examines the request under the Article 22 procedure.

  • Verify the requester's identity and whether it is one of the entities allowed to use Chapter V.
  • Confirm that the company controls the requested data at the time of the request; lack of control is a ground to decline or seek modification.
  • For cross-border requests, retain the notification and competent-authority review record before treating the request as ready for fulfilment.
Question 3

What must a valid EU Data Act B2G exceptional-need request contain?

A valid request must be written in clear, concise, plain language and must be specific about the data requested, the data holder chosen, the public-interest task, the purpose and intended use, the duration of use, any planned onward sharing, and the deadlines for making data available and for declining or seeking modification.

The request must also justify why the exceptional-need conditions are met, be proportionate in data type, volume, granularity, and frequency of access, respect the data holder's legitimate aims and trade-secret protection, and state the legal provision allocating the relevant public-interest task to the requesting body.

  • Required data scope: data type, relevant metadata, data holder control, granularity, volume, and access frequency.
  • Required legal and purpose scope: exceptional-need basis, public-interest task, legal provision, intended use, duration, and expected erasure timing where possible.
  • Required safeguards: personal-data measures where relevant, trade-secret protection commitment, publication or notification steps, penalties notice, and best efforts to avoid creating liability for the data holder.
Question 4

How should a data holder document, share, and review an EU Data Act exceptional-need request?

A data holder should keep the written request, the basis for accepting or challenging it, the response deadline, the data disclosed or withheld, and the safeguards applied to the transfer. The record should also show any cross-border notification and any competent-authority contact.

If the data holder relies on a refusal or a request for modification, it should record the reason and the relevant Article 18 ground. If the request is fulfilled, the record should include the purpose limitation, security measures, any trade-secret identification, and later erasure or onward-sharing notices.

  • Keep the Article 17 request elements together with the Article 18 response and any authority correspondence.
  • Record whether the request was for a public emergency or another , because the deadline to decline or seek modification is five or 30 working days depending on that distinction.
  • Preserve evidence of erasure, notification, or authorised onward sharing so the file shows how the data was used after disclosure.
Question 5

Can a Data Act B2G exceptional-need request include personal data?

For non-emergency requests, only non-personal data may be requested. For public-emergency requests, the request must concern non-personal data unless those data are demonstrably insufficient. If personal data are required, Article 17 requires the request to seek them in pseudonymised form and specify the safeguards; Article 18 requires the data holder to anonymise the data unless compliance requires disclosure of personal data, in which case the holder must pseudonymise them.

Where personal data is involved, the request must identify the technical and organisational safeguards needed to protect data-protection principles, and the relevant supervisory authority must be notified.

  • Check whether the request is emergency or non-emergency before reviewing any personal-data fields.
  • Require a clear explanation of why non-personal data is insufficient and why the personal-data element is strictly necessary.
  • Keep the anonymisation or pseudonymisation decision, the safeguards named in the request, and any supervisory-authority notification where personal data is involved.
Question 6

When may a data holder refuse or ask to modify a Data Act B2G exceptional-need request?

A data holder may decline or seek modification without undue delay, and in any event within five working days for data necessary to respond to a public emergency or within 30 working days for other exceptional-need requests.

The Data Act gives three listed grounds: the data holder does not control the requested data; a similar request for the same purpose was previously submitted by another eligible public body or EU institution and the data holder has not been notified that the earlier data was erased; or the request does not meet the Article 17 requirements.

  • Use the correct decline-or-modification clock: five working days for public-emergency response data and 30 working days for other exceptional-need requests.
  • If relying on a previous similar request, identify the earlier requesting body or EU institution.
  • If the requester challenges a refusal, or the data holder challenges the request and no modification resolves it, the matter goes to the competent authority where the data holder is established.
Question 7

How do confidentiality, trade secrets, and onward sharing work for Data Act B2G exceptional-need data?

Data received under Chapter V does not become open public-sector information for general reuse. It must be used only for the purpose stated in the request, protected with technical and organisational measures, and erased once no longer necessary for that stated purpose unless archiving is required under Union or national public-access law in the context of transparency obligations.

Trade secrets may be disclosed only to the extent strictly necessary for the Article 15 purpose. The data holder or trade-secret holder must identify the protected data, including relevant metadata, and the requesting body must take necessary and appropriate measures to preserve confidentiality before disclosure.

  • Do not treat Chapter V data as open data or general public-sector information for reuse.
  • Identify any public bodies, EU bodies, or third parties that will receive the data in the original request or in the later Article 21 notification.
  • For trade secrets, record the identified protected data, confidentiality measures, transfer controls, and the stated purpose that makes disclosure strictly necessary.
Question 8

Can businesses receive compensation for making data available under a Data Act B2G exceptional-need request?

For a public-emergency request, data holders other than microenterprises and small enterprises must make the necessary data available free of charge, but may request public acknowledgement. Article 20(3) applies the Article 20(2) compensation rule when a microenterprise or small enterprise makes a claim, so the calculation covers the technical and organisational costs incurred to comply plus a reasonable margin. Those enterprises may also request public acknowledgement.

For non-emergency exceptional-need requests under Article 15(1)(b), the data holder is entitled to fair compensation covering technical and organisational costs, including anonymisation, pseudonymisation, aggregation, and technical adaptation where applicable, plus a reasonable margin. There is an exception where the task is official statistics and national law does not allow purchase of the data.

  • Separate the compensation record by request type: public emergency or non-emergency .
  • For non-emergency requests, document the cost calculation basis and reasonable margin because the requester may ask for it.
  • Do not charge for the data itself; keep compensation tied to the costs and margin allowed by Article 20.
Question 9

What evidence should a data holder keep for a Data Act B2G exceptional-need request?

Keep enough evidence to show whether the request was valid, how the company responded, what data was made available or withheld, and which safeguards governed the data after transfer. Build the evidence file around the Article 17 request contents and the Article 18 response, not generic compliance notes.

A useful record includes the written request, requester identity, statutory task and legal provision, exceptional-need route, a public-emergency determination or declaration, or a non-emergency exhaustion analysis, data scope and metadata, personal-data analysis, trade-secret identification, timestamps, refusal or modification reasons, compensation calculation, delivery logs, onward-sharing notices, erasure notice, and competent-authority communications.

  • For emergency requests, keep the public-emergency basis, alternative-means analysis, five-working-day decline-or-modification record, and any public-acknowledgement request.
  • For non-emergency requests, keep the non-personal-data classification, exhausted-means evidence, market-purchase record where relevant, 30-working-day decline-or-modification record, and compensation basis.
  • For safeguards, keep anonymisation or pseudonymisation decisions, security measures, trade-secret protections, purpose limitation, onward-sharing notifications, and deletion confirmations.
  • Keep the exact source passage, request version, receipt timestamp, decision memo, disclosed dataset, transfer proof, and approval together. State unresolved facts with an owner and resolution deadline before disclosure.
  • For cross-border requests, preserve the Article 22 notification and authority examination outcome; for research or statistical onward sharing, retain the Article 21 recipient notice.
Question 10

How should teams assign ownership for Data Act B2G exceptional-need implementation work?

Assign one request owner with authority to control the five- or 30-working-day decline-or-modification clock and coordinate legal, privacy, security, data engineering, finance, and records teams. Give separate named owners the legal-validity review, data extraction, confidentiality controls, compensation calculation, and authority communications.

The requesting body retains responsibility for the Article 17 request, purpose limitation, security, onward-sharing notices, and erasure. The data holder should name internal owners who obtain and preserve the evidence needed to challenge a defective request or prove a compliant disclosure.

  • Name the person who starts and monitors the applicable Article 18 decline-or-modification clock on receipt.
  • Assign legal review, data preparation, safeguards, compensation, and external communication to named roles with due dates.
  • Identify who may approve disclosure and who may send a decline or modification request to the requester.
Question 11

When should the Data Act B2G exceptional-need FAQ answer be reviewed again?

Reassess the decision if the requester, statutory task, exceptional-need branch, requested data, availability of alternative means, data-holder control, personal-data content, trade-secret scope, intended recipients, or use period changes. A revised or repeated request needs its own Article 17 and Article 18 review.

Reopen the file when the public emergency ends, the stated purpose is completed, an onward transfer is proposed, erasure becomes due, a similar request arrives, or a competent authority challenges the request or response. Use both a review date and these event triggers.

  • Review immediately when facts affecting validity, scope, compensation, safeguards, or the response deadline change.
  • Check purpose completion and erasure instead of treating delivery as the end of the workflow.
  • Keep the owner, next review date, trigger list, and cited source URL with the request record.
Primary sources

References and citations

eur-lex.europa.eu10 citations
Referenced sections
  • Binding Data Act source for scope, definitions, access rights, B2B sharing, B2G requests, cloud switching, smart contracts, enforcement, and application dates.
  • Articles 14 and 15 define the exceptional-need obligation, including the public-emergency route and the separate non-emergency route for non-personal data.
  • Articles 14, 17, 18, and 22 identify the requesting entities, the legal-person data holder, the control-over-data condition, and cross-border examination route.
Show 7 more
  • Article 17 lists the contents and formal requirements for a Chapter V request, including purpose, use, duration, legal basis, deadlines, proportionality, and safeguards.
  • Articles 17, 18, 19, and 21 set out the request record, decline-or-modification windows, safeguards, erasure duties, and onward-sharing notices that should be retained.
  • Articles 15, 17, and 18 require the emergency-first, non-personal-data default and set the anonymisation or pseudonymisation rules.
  • Article 18 sets the five-working-day and 30-working-day decline-or-modification windows, refusal and modification grounds, and competent-authority challenge route.
  • Articles 17, 19, and 21 control purpose limitation, erasure, onward sharing, trade-secret confidentiality measures, and research or statistics sharing.
  • Article 20 sets the free-of-charge rule for most public-emergency requests and the fair-compensation rule for Article 15(1)(b) non-emergency requests.
  • Articles 17 through 21 define the request fields, decline-or-modification windows, safeguards, compensation records, onward-sharing notices, and erasure obligations that drive the evidence file.
ec.europa.eu6 citations
Referenced sections
  • Commission FAQ explains that Chapter V requests may be cross-border and that Article 22 protects data holders through ex ante examination.
  • Commission FAQ describes how data holders can verify a Chapter V request by checking requester identity, justification, scope, duration, public task, and proportionality.
  • Commission FAQ explains the practical checks data holders should use when assessing and documenting Chapter V requests.
Show 3 more
  • Commission FAQ confirms data holders may ask for clarification and ultimately refuse or seek modification when request conditions are in justified doubt.
  • Commission FAQ explains that requested data does not become open public-sector information and that onward sharing must remain tied to the stated purpose.
  • Commission FAQ identifies the checks data holders should perform when validating whether a Chapter V request is justified and lawful.
digital-strategy.ec.europa.eu4 citations
Referenced sections
  • Commission overview for Data Act chapters, connected-product access, B2G requests, cloud switching, interoperability, and implementation support.
  • Commission explanation confirming that Chapter V covers public-sector access in exceptional-need situations and distinguishes emergency from non-emergency requests.
  • Commission explanation states that non-emergency requests may only cover non-personal data and that emergency requests should use non-personal data where possible.
Show 1 more
  • Commission compensation table explains what businesses, including micro and small companies, may request for public-emergency and non-emergency Chapter V data sharing.
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