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GDPR Art. 9: special categories, incl. inferred sensitive data

Processing special-category data, incl. biometric data for unique identification, is prohibited unless an Art. 9(2) condition applies, which reaches sensitive data a model infers

By Reviewed

From clause to evidenceThe chain from GDPR Art. 9 to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.ClauseGDPRArt. 9Duty holderControllerApplies from2018-05-25In forceArtefactProxy test inCILayersLayer 01Layer 03Layer 04Evidence 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 GDPR Art. 9 to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.ClauseGDPR · Art. 9Duty holderControllerApplies from2018-05-25 · In forceArtefactProxy test in CILayersLayer 01Layer 03Layer 04Evidence 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-GDPR-ART9. Drawn from chapter 08.
Text alternative
  • Clause: GDPR, Art. 9.
  • Duty holder: Controller.
  • Applies from: 2018-05-25, In force.
  • Artefact: Proxy test in CI.
  • Layers: Layer 01, Layer 03, Layer 04.
  • Evidence record: Evidence record v1.
  • Record schema: Evidence record.
  • No crosswalk topic files this clause yet.
Id
AIGE-OBL-GDPR-ART9
Instrument
General Data Protection Regulation (EU) 2016/679 law
Clause
Art. 9
In scope
Controller
Authority
National data protection authority
Applies from
In force

The artefact that evidences it

Proxy test in CI; inference policy with a runtime output classifier; Art. 9(2) condition record.

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.

Open controls that evidence it

Draft controls in the open control profiles that map to this row: each states a requirement and the evidence it must leave behind.

Source

Chapter 08, section The GDPR, checked against its sources on the review date above.

Machine-readable

Cite this obligation

García Aibar, J. (2026). GDPR Art. 9: special categories, incl. inferred sensitive data (AIGE-OBL-GDPR-ART9). 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-gdpr-art9. CC BY 4.0

BibTeX

@misc{aige2026obligation,
  author       = {Jorge García Aibar},
  title        = {{GDPR Art. 9: special categories, incl. inferred sensitive data (AIGE-OBL-GDPR-ART9)}},
  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-gdpr-art9},
  note         = {Version 0.5.0}
}