AI Act. ‘Polygraphs’ (lie detectors) are not banned, but are merely categorized as ‘high risk’. Annex III art. 6 and 7 (law enforcement and immigration).
A ban would have made sense to me. It’s not really my expertise, but I’ve seen meta review papers that conclude that such tech is snake oil.
@Frederik_Borgesius I think what's so bad about "lie detectors" is how officials keep trying to convince themselves that it "might be useful" and keep finding excuses to work them into situations where they might be really bad for someone's rights.