Illinois Biometric Information Privacy Act, definitions of biometric identifier and biometric information (740 ILCS 14/10)
Voiceprints and scans of face or hand geometry are biometric identifiers, and anything derived from them that identifies a person is biometric information. Photographs themselves are excluded, but courts have treated face geometry or voiceprints extracted from photos or voice recordings as covered.
Dated 17 Oct 2026Source checked 17 Oct 2026Basis: primary text
In the source's own words
“"Biometric identifier" means a retina or iris scan, fingerprint, voiceprint, or scan of hand or face geometry. Biometric identifiers do not include writing samples, written signatures, photographs, ... "Biometric information" means any information, regardless of how it is captured, converted, stored, or shared, based on an individual's biometric identifier used to identify an individual.”
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