EU AI Act · Art. 5

EU AI Act Art. 5 Prohibited Practices — prohibited or not?

An AI system that falls under Art. 5 is not high-risk. It is unlawful. The distinction matters — and EAB enforces it as a hard gate before any classification or approval can proceed.

Every AI system registered in EAB is reviewed against all seven Art. 5 prohibition categories. The review result is a sealed, attributed governance record — not a checkbox.

Art. 5 — Seven Prohibition Categories
Subliminal & manipulative techniques (Art. 5(1)(a))
Exploitation of vulnerable groups (Art. 5(1)(b))
Social scoring by public authorities (Art. 5(1)(c))
Real-time biometric ID in public spaces (Art. 5(1)(d))
Emotion recognition — restricted contexts (Art. 5(1)(f))
Biometric categorisation & predictive policing (Art. 5(1)(g/h))
The Art. 5 principle

“A system that falls under Art. 5 is not high-risk. It is unlawful. The review must happen before classification — not as part of it.”

EAB Design Principle · Prohibition as Gate
What gets checked

Every prohibition category. Every time.

EAB runs the Art. 5 review as a mandatory first step in the governance chain — before risk classification, before obligation derivation, before any approval. The review cannot be skipped. It can be overridden by a supervisor, but the override is logged with justification and remains visible in the audit trail permanently.

Each prohibition category is reviewed independently. A system that raises a concern in one category does not automatically block the others — but a confirmed prohibition in any category halts the governance chain. The result is a structured record with five possible states per category: clear, concern flagged, exemption claimed, supervisor override, or confirmed prohibited.

When the regulation changes and a new version of Art. 5 is anchored in EAB, affected systems enter the re-screening queue. The review does not drift silently — it is tied to the legal source version that was in force at the time of each determination.

Review produces
  • RecordSealed Art. 5 review per AI system, per version
  • StatesFive states per category: clear / concern / exemption / override / prohibited
  • GateConfirmed prohibition blocks governance chain — no workaround
  • OverrideSupervisor can proceed under exemption — logged with justification
  • LegalLegal source version anchored per review
  • TrailEvery state change attributed and timestamped
The seven categories

What Art. 5 actually prohibits — structured for review.

Each category is reviewed against the system profile established during registration and technical completion.

Art. 5(1)(a)

Subliminal & Manipulative Techniques

Systems that use techniques below the threshold of consciousness, or exploit psychological vulnerabilities to distort behaviour in ways that cause or are likely to cause harm to that person or another person.

Art. 5(1)(b)

Exploitation of Vulnerable Groups

Systems that exploit specific vulnerabilities of persons based on their age, disability, or social or economic situation, in a way that distorts their behaviour and causes or is likely to cause harm.

Art. 5(1)(c)

Social Scoring by Public Authorities

Systems used by public authorities or on their behalf to evaluate or classify natural persons based on social behaviour or personal characteristics, where this leads to detrimental or disproportionate treatment unrelated to the original context.

Art. 5(1)(d)

Real-Time Biometric Identification

Real-time remote biometric identification in publicly accessible spaces for law enforcement purposes — with narrow exceptions for serious crime investigation, terrorism prevention, and missing persons searches.

Art. 5(1)(f)

Emotion Recognition — Restricted Contexts

Emotion recognition systems used in the workplace and educational institutions are prohibited. The review identifies whether the system's deployment context falls within this restriction.

Art. 5(1)(g/h)

Biometric Categorisation & Predictive Policing

Systems that infer sensitive attributes from biometrics (race, political opinion, religion, etc.) and systems used to predict likelihood of criminal offence based solely on profiling or personality assessment.

How it works

The Art. 5 review, start to finish.

The review runs automatically at the start of every screening session. It cannot be deferred.

1
Automatic trigger

Review opens at the start of every screening session

When a supervisor initiates screening, the Art. 5 review panel loads automatically. The system profile from registration and technical completion is pre-loaded — the supervisor reviews each category against the documented system, not from memory.

2
Category review

Each category reviewed and stated independently

The supervisor assigns one of five states to each category: clear, concern flagged, exemption claimed, supervisor override, or confirmed prohibited. A justification is required for anything other than clear. The review cannot be submitted with blank states.

3
Gate enforcement

Confirmed prohibition blocks the chain — permanently

A confirmed prohibition in any category halts the governance chain. Risk classification, obligation derivation, and approval are not accessible. The system is flagged as prohibited in the registry. A supervisor can claim an exemption — but the claim and its justification are permanent record entries.

4
Sealed record

Review result sealed and anchored to legal source version

On completion, the Art. 5 review is sealed: supervisor identity, UTC timestamp, legal source version, per-category states, and all justifications. The record is immutable. If the regulation changes, the system enters the re-screening queue — and a new review record is created, not the old one modified.

Art. 5 Compliance

Make Art. 5 a documented gate — not an assumption.

Every AI system reviewed, every category stated, every prohibition enforced — before classification, before approval, before deployment.

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