# What does human oversight require under the EU AI Act?

> Human oversight is the EU AI Act duty that a person assigned to watch a high-risk system can actually understand it and stop it.

Source: https://meshin.co/glossary/human-oversight
Updated: 2026-10-02

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## Why it comes up

It differs from asking whether a human is in the loop. That is a design question about where a person sits in a workflow. Human oversight is a legal test of whether that person can catch a bad output and has the time, context and authority to stop it. An auditor tests this by asking what the overseer would do in a specific bad case, not whether a review step exists on a diagram.

## What to do about it

Name the specific person or role authorised to halt each high-risk system, not a team. Check that the person has time per case to evaluate output rather than approve on reflex. Train that person specifically on automation bias. A rushed or over-trusting reviewer defeats the requirement even when the process looks correct. The [Fractional CAIO Retainer](/services/fractional-caio-retainer) includes reviewing who watches each system, and whether they could catch a failure this week.