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Digital Services Act Art. 27: recommender system transparency

Online platforms set out in their terms the main parameters of their recommender systems and any options users have to modify them

By Reviewed

From clause to evidenceThe chain from DSA Art. 27 to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.Clause: Digital Services Act (EU) 2022/2065, Art. 27ClauseDSAArt. 27Duty holder: Providers of online platformsDuty holderProviders ofonline…Applies from: 2024-02-17 (In force)Applies from2024-02-17In forceArtefact: Recommender parameter card generated from the ranking configuration; log of the options offered to usersArtefactRecommenderparameter card…Layers: Layer 02 Inventory & Transparency and Layer 04 Runtime Controls & ObservabilityLayersLayer 02Layer 04Evidence record: the common evidence record (Evidence record v1)Evidence recordEvidence recordv1Same topic elsewhere: no crosswalk topic files this clause yetAs of 2026-09-24 · illustrative, not a claim of conformity From clause to evidenceThe chain from DSA Art. 27 to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.Clause: Digital Services Act (EU) 2022/2065, Art. 27ClauseDSA · Art. 27Duty holder: Providers of online platformsDuty holderProviders of online platformsApplies from: 2024-02-17 (In force)Applies from2024-02-17 · In forceArtefact: Recommender parameter card generated from the ranking configuration; log of the options offered to usersArtefactRecommender parameter card…Layers: Layer 02 Inventory & Transparency and Layer 04 Runtime Controls & ObservabilityLayersLayer 02Layer 04Evidence record: the common evidence record (Evidence record v1)Evidence recordEvidence record v1Same topic elsewhere: no crosswalk topicfiles this clause yetAs of 2026-09-24illustrative, not a claim of conformity
From clause to evidence Build the artefact, then file every output it produces as a record that names AIGE-OBL-DSA-ART27. Drawn from chapter 08.
Text alternative
  • Clause: DSA, Art. 27.
  • Duty holder: Providers of online platforms.
  • Applies from: 2024-02-17, In force.
  • Artefact: Recommender parameter card generated….
  • Layers: Layer 02, Layer 04.
  • Evidence record: Evidence record v1.
  • Record schema: Evidence record.
  • No crosswalk topic files this clause yet.
When this obligation appliesThe date of AIGE-OBL-DSA-ART27 on a time axis, against its review date 2026-09-24.2024202620282030As of 2026-09-242024-02-17 · In force2024-02-17 · In forceSource: Obligation register(chapter 08)
When this obligation appliesThe date of AIGE-OBL-DSA-ART27 on a time axis, against its review date 2026-09-24.2024-02-17 · In force2024202620282030As of 2026-09-242024-02-17 · In forceSource: Obligation register (chapter 08)
When this obligation applies The first date in the row's status, then each later step: filled once its date has passed, outlined while it is still ahead of the review date.
Data table: the dates
Dates of AIGE-OBL-DSA-ART27
DateStepDetail
2024-02-17In force
Id
AIGE-OBL-DSA-ART27
Instrument
Digital Services Act (EU) 2022/2065 law
Clause
Art. 27
In scope
Providers of online platforms
Authority
Digital Services Coordinator; the Commission for very large platforms
Applies from
In force

The artefact that evidences it

Recommender parameter card generated from the ranking configuration; log of the options offered to users.

Patterns that build it

No pattern in the catalogue names this clause on its "Maps to" line yet; the artefact above is the engineering answer.

Source

Chapter 08, section Liability, copyright, consumer and sector law, checked against its sources on the review date above.

Machine-readable

Cite this obligation

García Aibar, J. (2026). Digital Services Act Art. 27: recommender system transparency (AIGE-OBL-DSA-ART27). In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0). https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/obligations/aige-obl-dsa-art27. CC BY 4.0

BibTeX

@misc{aige2026obligation,
  author       = {Jorge García Aibar},
  title        = {{Digital Services Act Art. 27: recommender system transparency (AIGE-OBL-DSA-ART27)}},
  howpublished = {In AI Governance Engineering: The Thesis \& Body of Knowledge},
  year         = {2026},
  version      = {0.5.0},
  doi          = {10.5281/zenodo.22956197},
  url          = {https://aigovernanceengineer.com/obligations/aige-obl-dsa-art27},
  note         = {Version 0.5.0}
}