32 M.R.S. §7362: Minimum polygraph instrument requirements

1. Minimum instrument requirements. An instrument must record visually, permanently and simultaneously a subject's cardiovascular, respiratory and electrodermal patterns. An instrument used by a polygraph examiner may also record patterns of other physiological changes.

2. Other devices prohibited. The use of any device by a polygraph examiner for the purpose of directly or indirectly detecting deception or verifying truth of statements that does not meet the minimum instrument requirements set forth in subsection 1 is prohibited.