(225 ILCS 430/4)
(from Ch. 111, par. 2404)
(Section scheduled to be repealed on January 1, 2022)
Registration or license required; exceptions.
(a) It is unlawful for any person to administer detection of
deception examinations, or attempt to hold himself or herself out as an Examiner,
unless registered or licensed by the Department. However, this shall not
prohibit the use of detection of deception equipment by a person licensed
to practice medicine in all its branches under the Medical Practice Act of
1987 when the results are to be used in research.
(b) Nothing in this Act prohibits the use of a voice stress analyzer
fully trained full time certified law enforcement officer of a law enforcement
agency in the course of its
duties as an investigative aid in a criminal investigation.
Law enforcement users of a voice stress analyzer shall
be trained in a manner approved by the Illinois Law Enforcement Training
Standards Board. The use of a voice stress analyzer shall be conducted only
with the prior written consent of the subject of such investigation.
Surreptitious use of a voice stress analyzer is prohibited. Use of a voice
stress analyzer is prohibited when a State or
local law enforcement officer stops a motorist for an alleged violation of the
Illinois Vehicle Code. A voice stress analyzer is prohibited for use in
pre-employment screening and for internal investigations. For the purposes of
this subsection (b), "voice stress
analyzer" means an investigative tool that
records voice stress factors related to frequency modulations in the human
(Source: P.A. 97-168, eff. 7-22-11.)