DSA enforcementEU

Digital Services Act Enforcement, penalties, and investigations

An official source guide to who enforces the DSA, how Commission investigations of VLOPs and VLOSEs work, and which fine and caps are stated in official sources.

Use it to prepare investigation response ownership, evidence retrieval, request-for-information (RFI) handling, inspection support, and escalation files before a regulator asks for them.

Author
Sorena AI
Published
May 9, 2026
Updated
Oct 15, 2026
Overview

Start a DSA enforcement assessment with three facts: the service category, the provider's main EU establishment or legal-representative route, and whether the service is a designated very large online platform (VLOP) or very large online search engine (VLOSE). Those facts determine the competent authority and procedure. The 6% and 1% figures cap fines for different legal triggers; the 5% figure caps a used to compel a specified act. None is a tariff or a prediction of the amount an authority will impose.

Section 1

Who enforces the Digital Services Act?

The Member State of the provider's main establishment has exclusive national powers unless an Article 56 exception applies. Its Digital Services Coordinator (DSC) coordinates national supervision, although the Member State may assign specific tasks or sectors to other competent authorities. For a provider without an EU establishment, competence can follow the Member State where its Article 13 legal representative resides or is established. If a provider required to appoint a representative fails to do so, all Member States, and the Commission for a VLOP or VLOSE within its competence, may act subject to safeguards against duplicate proceedings.

For designated VLOPs and VLOSEs, the Commission has exclusive powers over the Section 5 enhanced obligations. It also has powers over the service's other DSA obligations. The main-establishment Member State may enforce those other obligations only while the Commission has not initiated proceedings for the same infringement; initiation of Commission proceedings relieves the national authority of those powers for that infringement.

  • Record the provider's Member State of establishment or, for a non-EU provider, its legal representative and the resulting Article 56 jurisdiction route.
  • Separate baseline intermediary-service duties from VLOP/VLOSE enhanced due diligence duties.
  • For a designated VLOP or VLOSE, route Section 5 issues to Commission-facing owners.
  • For other VLOP/VLOSE duties, check whether the Commission has initiated proceedings for the same infringement before assigning the regulator-response route.
  • For other intermediary services, keep the Digital Services Coordinator and any sector-specific national competent-authority contacts current.
Section 2

How Commission investigations of VLOPs and VLOSEs start and progress

The Commission may investigate a VLOP or VLOSE before formally initiating proceedings. It can act on its own initiative or after a reasoned request from a Digital Services Coordinator and may use information requests, consent-based interviews, inspections, and other powers to test a suspected infringement.

Formal proceedings are a separate procedural step. If the Commission intends to adopt a non-compliance decision, a fine, or a , Article 79 requires it to communicate preliminary findings and allow observations for a reasonable period of at least 14 days. The final decision may rely only on objections on which the parties could comment.

  • Keep an investigation intake log covering the alleged DSA obligation, service, market, product feature, and competent authority.
  • Prepare a request-for-information owner who can distinguish a simple request from a request imposed by decision, coordinate legal review, product facts, data exports, and technical explanations, and track the stated response period.
  • Maintain a chronology of notices, statements of reasons, complaints, moderation actions, advertising records, recommender-system changes, audit findings, and risk-mitigation decisions relevant to the issue.
  • Preserve the opening notice, preliminary findings, access-to-file record, observations, interim-measure or commitment decision, remedy evidence, and final decision.
Section 3

Commission investigative powers that teams should be ready for

The Commission can request information by simple request or decision. A simple request states the legal basis, purpose, requested information, period, and possible fines for incorrect, incomplete, or misleading information. A decision also indicates or imposes possible periodic penalty payments and states the right to EU court review. The addressee remains responsible for the completeness and accuracy of an answer submitted by an authorised representative or lawyer.

Commission interviews require consent. During premises inspections, authorised officials may enter relevant premises and transport, examine and copy records, obtain access to and explanations about IT systems, algorithms, data handling, and business practices, seal premises or records where necessary, and question representatives or staff. An inspection decision must identify the subject matter, purpose, start date, penalties, and review right; national judicial authorisation may be required when the provider opposes the inspection.

  • Maintain an RFI response protocol with the request type, legal basis, deadline, source systems, data owners, sign-off authority, privilege or confidentiality review, and a completeness and correction check.
  • Keep data and algorithm access maps for recommender systems, advertising systems, moderation tooling, risk assessment evidence, audit evidence, and logs relevant to the DSA duty under review.
  • Prepare an interview protocol that records consent, subject matter, participants, and who is authorised to speak; do not describe a voluntary Article 68 interview as compulsory.
  • Prepare an inspection support file covering the authorisation or decision, premises access, secure workspaces, staff availability, system demonstrations, confidentiality claims, sealed materials, copy logs, recorded answers, and correction routes.
Section 4

Fines, periodic penalty payments, and last-resort measures

For a VLOP or VLOSE, Article 74 allows a Commission fine of up to 6% of total worldwide annual turnover in the preceding financial year when the provider intentionally or negligently infringes the DSA, disobeys an interim-measures decision, or breaches a commitment made binding by decision. The Commission must consider the infringement's nature, gravity, duration, and recurrence.

Article 74 separately allows a fine of up to 1% of total annual income or worldwide turnover in the preceding financial year for listed intentional or negligent procedural failures. These include incorrect, incomplete, or misleading information; failure to reply, rectify, or provide complete information; refusal of an inspection; failure to comply with Article 72 monitoring measures; and breach of access-to-file conditions.

Article 76 periodic penalty payments compel performance rather than punish the underlying infringement. The statutory ceiling is 5% of the average daily income or worldwide annual turnover in the preceding financial year per day from the date set in the decision. They can compel a complete information response, an inspection, interim measures, binding commitments, or a non-compliance decision. Once the obligation is satisfied, the Commission may set a lower definitive amount.

Temporary access restriction is a last-resort judicial route, not a fine. It requires exhausted powers, a persistent infringement, serious unavoidable harm, and, for the national restriction request, a criminal offence involving a threat to life or safety. The Commission must first allow at least 14 working days for written observations, then ask the Digital Services Coordinator of establishment to seek a national judicial order.

  • Do not quote a cap without its trigger, denominator, and reference period: 6% for the Article 74(1) categories, 1% for the Article 74(2) procedural categories, and 5% per day for compelled performance under Article 76.
  • Keep total worldwide annual turnover, total annual income, and the Article 76 daily calculation inputs separately controlled; do not substitute the Commission overview's shorthand for the wording of the binding provision.
  • Track whether the issue is an alleged substantive DSA breach, failure to comply with interim measures, breach of commitments, or failure to cooperate with an investigation.
  • For urgent or serious-harm scenarios, preserve the user-harm analysis, criminal-offence assessment, prior measures exhausted, written-observation record, and DSC/judicial authority communications.
Section 5

Evidence readiness checklist for DSA investigations

An enforcement file should let a reviewer reconstruct the service classification, competent authority, alleged obligation, procedural stage, evidence source, response owner, and submitted answer. Keep the original evidence, the reproducible extraction method, and the narrative prepared for the regulator.

For a VLOP or VLOSE, state whether the matter concerns a Section 5 obligation and whether the Commission has initiated proceedings for the same infringement. Those facts control the authority route.

Who supervises DSA compliance for very large online platforms and search engines?

The Commission has exclusive powers for the Section 5 enhanced obligations imposed on designated VLOPs and VLOSEs. It also has powers over their other DSA obligations. The main-establishment Member State may supervise those other obligations only while the Commission has not initiated proceedings for the same infringement; initiation of Commission proceedings removes the national authority's powers for that infringement.

What are the Commission's DSA penalty caps?

Article 74 caps fines for its substantive categories at 6% of total worldwide annual turnover in the preceding financial year. It caps fines for listed procedural failures at 1% of total annual income or worldwide turnover in that year. Article 76 caps periodic penalty payments at 5% of the average daily income or worldwide annual turnover in the preceding financial year per day from the date set in the decision. These are ceilings, not automatic amounts.

Does an investigation mean the Commission has found a DSA infringement?

No. The Commission may use investigatory powers before it initiates formal proceedings, and opening proceedings is not a final infringement finding. Before a non-compliance, fine, or periodic-payment decision, the Commission must communicate preliminary findings and allow the addressee at least 14 days to comment. A published investigatory step should not be described as a final breach decision.

  • Service and authority file: intermediary-service category, Member State of establishment, DSC contact route, and VLOP/VLOSE designation status.
  • Obligation file: DSA article or obligation area, affected feature, product owner, legal owner, evidence owner, and current control status.
  • Investigation file: RFIs, access requests, interview records, inspection notices, preliminary findings, responses, confidentiality markings, and deadlines.
  • Technical evidence file: data exports, algorithm or recommender-system documentation, moderation logs, statement-of-reasons records, complaint handling data, advertising records, audit materials, and risk-mitigation records when relevant.
  • Penalty-risk file: cap category, statutory trigger, financial reference period, intent or negligence issue where Article 74 applies, cooperation status, completeness checks, corrected answers, interim measures, commitments, remedies, action plans, and proof of timely completion.
Primary sources

References and citations

eur-lex.europa.eu6 citations
Referenced sections
  • Primary DSA text for Articles 49, 51, 52, 56, 65 to 82: authority competence, Commission procedure, investigation tools, hearing rights, fines, periodic penalty payments, court review, and temporary access restriction.
  • Articles 13, 49, 51, 52, 56, and 66 support the establishment and legal-representative jurisdiction rules, authority powers, and effect of Commission proceedings on national competence.
  • Articles 65 to 69 and 79 support pre-proceeding investigation, information requests, consent-based interviews, inspections, preliminary findings, the minimum observation period, and the right to be heard.
Show 3 more
  • Articles 67 to 69 support simple and decision-based information requests, answer responsibility, consent-based interviews, inspection powers, written authorisation or decision requirements, and possible judicial authorisation.
  • Articles 51, 74, 76, 79, and 82 support the national and Commission access-restriction routes, fine triggers and denominators, daily periodic-payment rule, hearing periods, and Commission request procedure.
  • Primary source for Commission powers, fines, periodic penalty payments, hearings, inspections, and last-resort access-restriction procedure.
"total worldwide annual turnover"
More quoted passages
"powers of investigation"
"opportunity of being heard"
"examine the books and other records"
"periodic penalty payments not exceeding 5 %"
"subject matter and purpose of the inspection"
digital-strategy.ec.europa.eu5 citations
Referenced sections
  • Current Commission overview for VLOP/VLOSE investigations, investigatory tools, sanctioning powers, 6%, 1%, and 5% caps, and last-resort restriction. It is an informational overview and does not replace the Regulation.
  • Explains how Commission investigations can start, which investigatory tools are available, and how proceedings precede non-compliance, fine, and periodic penalty payment decisions.
  • Commission overview of information requests, data and algorithm access, consent-based interviews, inspections, and the possible procedural sanctions for non-cooperation.
Show 2 more
  • Current Commission overview of the 6%, 1%, and 5% caps, Commission sanctioning triggers, and the last-resort temporary restriction route. The page states that it is informational and does not replace the DSA text.
  • Supports the practical investigation and sanctioning events that evidence files should answer and expressly distinguishes investigatory steps from final infringement findings.
"investigative and sanctioning measures"
More quoted passages
"issuing a request for information"
"data and algorithms"
"shall in no case exceed 6%"
"collect a reliable and consistent body of evidence"
digital-strategy.ec.europa.eu3 citations
Referenced sections
  • Commission source for DSC responsibilities, national enforcement competence, and the split between DSC and Commission supervision.
  • Supports the DSC role, national enforcement competence, and the Commission/DSC split for VLOPs and VLOSEs.
  • Supports authority mapping between DSCs, the Commission, and national competent authorities.
"Digital Services Coordinators help the Commission"
More quoted passages
"responsible for supervising, enforcing and monitoring the DSA"
"request access to data, order inspections and impose fines"
digital-strategy.ec.europa.eu
Referenced sections
  • Commission source for identifying designated VLOPs and VLOSEs and the threshold concept used for very large service supervision.
"over 45 million users in the EU"
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