A. Each polygraph examiner shall use an instrument that records permanently and simultaneously the subject's cardiovascular and respiratory patterns as minimum standards, but such an instrument may record additional physiological changes pertinent to the determination of truthfulness.\nB. 1. The use of any other detection device that does not meet the instrumentation requirements set forth in subsection A shall be approved by the Director. The Director shall approve such other detection device only when the data collected by such device is deemed to be reliable and valid in detecting deception or verifying truth, based upon the preponderance of available scientific evidence. The voluntary, written consent of any individual to be tested using a detection device approved pursuant to this subsection shall be obtained prior to the administration of any such test or questioning using the device.\n2. Any such approved device shall be subject to regulations promulgated by the Director regarding its use in the Commonwealth.\n3. The Director shall establish standards of practice related to the use of any such other detection device approved pursuant to this subsection.\n1975, c. tor regarding its use in the Commonwealth.\n3. The Director shall establish standards of practice related to the use of any such other detection device approved pursuant to this subsection.\n1975, c. 522, § 54-922; 1988, c. 765; 2010, c. 625.
Virginia Legal Code