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CE marking

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The mark showing a high-risk AI system's conformity with the EU AI Act, affixed visibly, legibly and indelibly, or digitally for systems provided digitally, with the notified body's number where one was involved 1.

Developed in
ch. 18, Conformity assessment, declaration, marking and registration
ch. 14, EU AI Act conformity, in order
Chapters
ch. 14, Development · ch. 18, EU AI Act
Contrast with
EU declaration of conformity
Source
1 numbered reference, listed below

Where it is used

3 chapters of the Body of Knowledge use the term. Each link opens the first section that does.

CE marking: mentions per chapter10 mentions of the term across 3 of the 23 chapters of the Body of Knowledge; the chapters the glossary cross-references are drawn solid.Cross-referenced chapterOther chapter08 Regulatory Map: 5 mentions08 Regulatory Map514 Development: 3 mentions14 Development318 EU AI Act: 2 mentions18 EU AI Act2No mentions in the other 20 chaptersSource: the Body of Knowledgev0.5.0
CE marking: mentions per chapter10 mentions of the term across 3 of the 23 chapters of the Body of Knowledge; the chapters the glossary cross-references are drawn solid.Cross-referenced chapterOther chapter000102030405060708 Regulatory Map: 5 mentions5081011121314 Development: 3 mentions31415161718 EU AI Act: 2 mentions2181920212223Source: the Body of Knowledge v0.5.0
Mentions per chapter How often each chapter names the term, with the chapters the glossary cross-references drawn solid. The longest bar is where to read the term in use; bars spread across many chapters mark a term that runs through the discipline.
Mentions as a table
Mentions of CE marking per chapter
ChapterMentionsCross-referenced
00 Preface0No
01 Definition0No
02 Why Now0No
03 Values & Principles0No
04 The Stack0No
05 Patterns0No
06 The Role0No
07 Maturity Model0No
08 Regulatory Map5No
10 Reading List0No
11 AI Defined0No
12 Governance Program0No
13 Risk Management0No
14 Development3Yes
15 Deployment0No
16 Fairness & XAI0No
17 Incidents0No
18 EU AI Act2Yes
19 Privacy & AI0No
20 Existing Law0No
21 AI Laws Worldwide0No
22 Principles & Standards0No
23 AI Agents0No
CE marking: related terms and patternsThe term at the centre; related terms on solid edges, the terms it is contrasted with on dashed edges, and the patterns that use it most in the colour of their layer.RelatedContrastCE markingRelated terms (5)AI Act (EU) · RelatedAI Act (EU)AI system · RelatedAI systemConformity assessment · RelatedConformity assessmentHigh-risk AI system · RelatedHigh-risk AI systemNotified body · RelatedNotified bodyContrast with (1)EU declaration of conformity · ContrastEU declaration of conformity
CE marking: related terms and patternsThe term at the centre; related terms on solid edges, the terms it is contrasted with on dashed edges, and the patterns that use it most in the colour of their layer.RelatedContrastRelated terms (5)AI Act (EU) · RelatedAI Act (EU)AI system · RelatedAI systemConformity assessment · RelatedConformity assessmentHigh-risk AI system · RelatedHigh-risk AI systemNotified body · RelatedNotified bodyContrast with (1)EU declaration of conformity · ContrastEU declaration of conformityCE marking
The term's neighbourhood Terms related to this one on solid edges, terms it is often confused with on dashed edges, and the patterns that use it most in the colour of their layer. Follow a dashed edge to check the distinction before you use either term.
Neighbourhood as a table
Neighbourhood of CE marking
FamilyItemRelation
Related termsAI Act (EU)Related
Related termsAI systemRelated
Related termsConformity assessmentRelated
Related termsHigh-risk AI systemRelated
Related termsNotified bodyRelated
Contrast withEU declaration of conformityContrast
  • Conformity assessment

    The procedure by which a provider shows a high-risk AI system meets the EU AI Act before placing it on the market: internal control for most Annex III…

  • Notified body

    A conformity assessment body designated under the EU AI Act to carry out third-party conformity assessment of high-risk AI systems.

  • High-risk AI system

    Under the EU AI Act, an AI system that is a safety component of, or itself, a product under Annex I legislation needing third-party conformity assessment, or…

  • AI Act (EU)

    Regulation (EU) 2024/1689, the EU's horizontal, risk-tiered law for AI, amended by the Digital Omnibus.

  • AI system

    For governance, the object the AI definition brings into scope.

Sources

  1. [1] Regulation (EU) 2024/1689 (AI Act), consolidated text as amended by Regulation (EU) 2026/1744 (Digital Omnibus on AI, in force 27 Jul 2026; definitions in Art. 3, incl. 3(1), 3(3) to 3(14), 3(14b), 3(20), 3(22), 3(23), 3(29) to 3(32), 3(49), 3(55) to 3(57), 3(60), 3(61), 3(63), 3(68); Arts. 4, 5, 6 (incl. 6(3) third subparagraph, profiling), 9, 10, 11, 13, 14, 15, 17, 22 to 27 (incl. 26(11)), 40, 41, 43, 47, 48, 50, 53 (incl. 53(1)(c)), 55, 57, 60, 72, 73, 86; Annexes I, III, IV). Publications Office of the EU (EUR-Lex). 2026-07-27. https://eur-lex.europa.eu/eli/reg/2024/1689/2026-07-27/eng (verified: primary)

Definitions of legal terms paraphrase the cited text, which governs. Dated statements are as of .

Cite this term

García Aibar, J. (2026). CE marking. In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0), Glossary. https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/glossary/ce-marking. CC BY 4.0

BibTeX

@misc{aige2026cemarking,
  author  = {Jorge García Aibar},
  title   = {{CE marking}},
  note    = {Glossary, AI Governance Engineering: The Thesis \& Body of Knowledge, version 0.5.0},
  year    = {2026},
  doi     = {10.5281/zenodo.22956197},
  url     = {https://aigovernanceengineer.com/glossary/ce-marking}
}