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Article 73: serious incident reporting

The duty to report serious incidents with high-risk AI, under strict deadlines.

The official source remains authoritative. This is general information about obligations and not legal advice. See this object on the map

Address and citation

This object has an address of its own that is never renamed or reused. Store the identifier in your own file, not the title or the link.

Identifier
praxikon:eu:ai-act:obligation:article-73-incident-reporting
Payload hash (sha256)
50ff870bf326acf58085d7a7c88cc7b5f38663837e21ac44d10ce88c5ee65eff

Citation line

Praxikon, "Article 73: serious incident reporting", praxikon:eu:ai-act:obligation:article-73-incident-reporting@1.0.0, dataset praxikon:sys:registry:dataset:ai-act-implementation-graph 2.1.0 (schema 1.4.0), effective_at 2026-08-08T00:00:00.000Z, known_at 2026-08-14T00:00:00.000Z, sha256 50ff870bf326acf58085d7a7c88cc7b5f38663837e21ac44d10ce88c5ee65eff
Version
1.0.0
Legal time (effective_at)
27 July 2026
Knowledge time (known_at)
8 August 2026
Closed on
Not closed
Application date
2 December 2027
Topics
post-market

Review status: Placed against the official source (8 August 2026). Next check due by 4 February 2027. The check date is the knowledge date of this version; no later recheck has been recorded.

Who must act and who is affected

On an obligation the addressee is recorded separately from the party that is merely affected. That difference decides who a supervisory authority addresses and who has work to do without the duty resting on them.

Duty holder

Affected actor

  • Deployerpraxikon:eu:ai-act:actor:deployer

Oversight

Evidence owner

What this object links to

Every relation appears below as a path: from the source with its locator, through the conditions and exceptions of the object carrying the relation, to the consequence. A locator belongs to a statement in the data and not to a relation, so the source is the source anchor of the carrying object.

Who carries the duty

1 of 1 shown

The duty rests on this role. A supervisory authority addresses this role when it is not met.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

Who is affected without being the addressee

1 of 1 shown

This role is practically affected without being the addressee: it receives the information, has to cooperate, or absorbs the consequences in its own process.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

    • ActorDeployer

      praxikon:eu:ai-act:actor:deployer

Who supervises this

1 of 1 shown

This role supervises and receives the notifications. It is the institutional role, not the national body that fills it.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

Who owns the evidence

1 of 1 shown

This duty holder creates, maintains and can produce the evidence.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

What has to be done

1 of 1 shown

This is what concretely has to be done under the obligation.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

What has to be recorded

1 of 1 shown

This is what has to be in the file to show that the action was carried out.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

What keeps it in place

1 of 1 shown

This is what keeps compliance in place over time, periodic or event-driven.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

Public tools

1 of 1 shown

This is the public route a reader can actually use.

  1. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    • Condition | allA serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.
    • ExceptionFor systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

    As long as this exception is not ruled out, the outcome stays conditional and you have to establish it yourself.

    Consequence

What points at this object

Objects hanging off this obligation

7 of 7 shown

The object belongs to this obligation. The source line it hangs off sits there.

  1. Source

    This object carries no official fact of its own. The source line below sits on the obligation it hangs off; the link itself is recorded editorially.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Set up an incident process with reporting routes

    Consequence

  2. Source

    This object carries no official fact of its own. The source line below sits on the obligation it hangs off; the link itself is recorded editorially.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Incident drill and deadline watch

    Consequence

  3. Source

    This object carries no official fact of its own. The source line below sits on the obligation it hangs off; the link itself is recorded editorially.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Incident register and reports

    Consequence

  4. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 3(49), Article 26(5) and Article 73(1), (2) and (6)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Performance scoring for staff goes wrong: report or not

    Consequence

  5. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1), (2), (4) and (6), and Article 26(5)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Serious incident on the production line: who reports and within what deadline

    Consequence

  6. Source

    Official fact on this object, with its locator.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 3(49), Article 26(5) and Article 73(1), (2), (5) and (7)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Proctoring during an exam overshoots: from signal to reporting duty

    Consequence

  7. Source

    This object carries no official fact of its own. The source line below sits on the obligation it hangs off; the link itself is recorded editorially.

    • EU Artificial Intelligence Act 2024/1689

      Locator: Article 73(1)-(11)

      praxikon:eu:ai-act:source:reg-eu-2024-1689

      Open official source

    • Digital Omnibus on AI 2026/1744

      Locator: Amended Article 113 application dates

      praxikon:eu:ai-act:source:reg-eu-2026-1744

      Open official source

    Via

    No condition or exception recorded on this object.

    Relation recorded on: Full text of Article 73

    Consequence

What this object states

Official fact

Attributable to a named primary source, with a locator. Where they differ, the official source prevails.

  • Article 73 obliges providers to report serious incidents to the market surveillance authority: immediately after establishing the causal link and at the latest within 15 days, shortened to 10 days in the event of death and to 2 days for widespread infringement or serious disruption of critical infrastructure. Deployers inform the provider without delay.

  • For the Annex III route this requirement applies from 2 December 2027; for high-risk AI in regulated products (Annex I) from 2 August 2028.

    • Locator: Amended Article 113 application datespraxikon:eu:ai-act:source:reg-eu-2026-1744Open official source

Our interpretation

Our own reading. It can change without the law changing, and it is not the position of a supervisory authority.

  • The deadlines are too short to design the process during the incident: those who decide who reports at the first incident will not make 15 days, let alone 2. This is the GDPR breach playbook, but for AI.

Recommended step

A practical step we consider appropriate. Not an obligation following from the Regulation.

  • Connect the AI incident process to the existing breach and security process and add the AI-specific definitions and deadlines.

When this applies

  1. 1A serious incident occurs with a high-risk system: death or serious harm to health, serious and irreversible disruption of critical infrastructure, infringement of fundamental-rights protections or serious damage to property or environment.

When this does not apply

  • For systems under sectoral reporting regimes with equivalent duties, reporting may run through that regime to avoid duplication.

Referring to this object

Citation block

Copy this reference into your advice, article or file. The identifier, the version and the hash keep the statement findable later, even once the dataset has moved on.

Reference

Praxikon, "Article 73: serious incident reporting",
praxikon:eu:ai-act:obligation:article-73-incident-reporting@1.0.0,
dataset praxikon:sys:registry:dataset:ai-act-implementation-graph 2.1.0 (schema 1.4.0),
effective_at 2026-07-27T00:00:00.000Z, known_at 2026-08-08T00:00:00.000Z,
sha256 50ff870bf326acf58085d7a7c88cc7b5f38663837e21ac44d10ce88c5ee65eff,
https://www.praxikon.com/en/verkenner/obligation/article-73-incident-reporting
(https://www.praxikon.com/api/v1/obligations?id=praxikon%3Aeu%3Aai-act%3Aobligation%3Aarticle-73-incident-reporting&effective_at=2026-07-27&known_at=2026-08-08&lang=en, accessed 2026-08-25)

Short form

praxikon:eu:ai-act:obligation:article-73-incident-reporting@1.0.0 (sha256 50ff870b)

BibTeX

@misc{praxikon-eu-ai-act-obligation-article-73-incident-reporting-1-0-0,
  author       = {{Praxikon}},
  title        = {Article 73: serious incident reporting},
  year         = {2026},
  version      = {1.0.0},
  number       = {praxikon:eu:ai-act:obligation:article-73-incident-reporting},
  howpublished = {AI Act Change \& Evidence Graph, dataset 2.1.0, schema 1.4.0},
  note         = {effective_at 2026-07-27T00:00:00.000Z; known_at 2026-08-08T00:00:00.000Z; sha256 50ff870bf326acf58085d7a7c88cc7b5f38663837e21ac44d10ce88c5ee65eff},
  url          = {https://www.praxikon.com/en/verkenner/obligation/article-73-incident-reporting},
  urldate      = {2026-08-25},
  language     = {en}
}

CSL JSON

[
  {
    "id": "praxikon:eu:ai-act:obligation:article-73-incident-reporting@1.0.0",
    "type": "dataset",
    "title": "Article 73: serious incident reporting",
    "container-title": "AI Act Change & Evidence Graph",
    "publisher": "Praxikon",
    "version": "1.0.0",
    "number": "praxikon:eu:ai-act:obligation:article-73-incident-reporting",
    "URL": "https://www.praxikon.com/en/verkenner/obligation/article-73-incident-reporting",
    "language": "en",
    "issued": {
      "date-parts": [
        [
          2026,
          8,
          8
        ]
      ]
    },
    "accessed": {
      "date-parts": [
        [
          2026,
          8,
          25
        ]
      ]
    },
    "note": "dataset praxikon:sys:registry:dataset:ai-act-implementation-graph 2.1.0; schema 1.4.0; effective_at 2026-07-27T00:00:00.000Z; known_at 2026-08-08T00:00:00.000Z; sha256 50ff870bf326acf58085d7a7c88cc7b5f38663837e21ac44d10ce88c5ee65eff; retrieved_from https://www.praxikon.com/api/v1/obligations?id=praxikon%3Aeu%3Aai-act%3Aobligation%3Aarticle-73-incident-reporting&effective_at=2026-07-27&known_at=2026-08-08&lang=en; licence https://www.praxikon.com/nl/legal/terms"
  }
]

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