Utah Code § 77-37-202
Prohibition on the use of a polygraph examination on a victim of a sexual offense.
(1) A law enforcement officer, a prosecuting attorney, a court, or other government official may not: (a) ask or require a victim of a sexual offense to submit to a polygraph examination during the course of a criminal investigation or prosecution of a sexual offense; or (b) use a polygraph examination as a condition of proceeding with a criminal investigation or prosecution of a sexual offense. (2) The refusal of a victim of a sexual offense to submit to a polygraph examination may not prevent the investigation, charging, or prosecution of a sexual offense.