AI Governance Engineer
GitHub

EU AI Act Art. 3(1): AI system definition (scope of the Act)

Scope: decide, system by system, whether it is an AI system under the Art. 3(1) definition before any other duty is assessed

By Reviewed

From clause to evidenceThe chain from EU AI Act Art. 3(1) to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.ClauseEU AI ActArt. 3Duty holderProvider +deployerApplies from2025-02-02In forceArtefactDefinitionaldecision…LayerLayer 02Inventory &TransparencyEvidence 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 EU AI Act Art. 3(1) to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.ClauseEU AI Act · Art. 3Duty holderProvider + deployerApplies from2025-02-02 · In forceArtefactDefinitional decision record…LayerLayer 02Inventory & TransparencyEvidence 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-EUAIA-ART3-1. Drawn from chapter 08.
Text alternative
  • Clause: EU AI Act, Art. 3.
  • Duty holder: Provider + deployer.
  • Applies from: 2025-02-02, In force.
  • Artefact: Definitional decision record….
  • Layer: Layer 02 Inventory & Transparency.
  • Evidence record: Evidence record v1.
  • Record schema: Evidence record.
  • No crosswalk topic files this clause yet.
Id
AIGE-OBL-EUAIA-ART3-1
Instrument
EU AI Act (post-Omnibus) law
Compared side by side
ISO 42001 vs EU AI Act · NIST AI RMF vs EU AI Act
Clause
Art. 3(1)
Duty holder
Provider + deployer (scoping)
Authority
National MSA
Applies from
In force · Chapter I
System class
All AI systems

The artefact that evidences it

Definitional decision record in the registry: definition applied, elements found, excluded family if any, reason, decider, date.

Patterns that build it

Source

Chapter 08, section EU AI Act, post-Omnibus, checked against its sources on the review date above.

Machine-readable

Cite this obligation

García Aibar, J. (2026). EU AI Act Art. 3(1): AI system definition (scope of the Act) (AIGE-OBL-EUAIA-ART3-1). 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-euaia-art3-1. CC BY 4.0

BibTeX

@misc{aige2026obligation,
  author       = {Jorge García Aibar},
  title        = {{EU AI Act Art. 3(1): AI system definition (scope of the Act) (AIGE-OBL-EUAIA-ART3-1)}},
  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-euaia-art3-1},
  note         = {Version 0.5.0}
}