Idaho Rules of Evidence Rule 701. Opinion Testimony by Lay Witnesses.
If a witness is not testifying as an expert, testimony in the form of an opinion or inference is limited to one that is:
(a) rationally based on the witness's perception;
(b) helpful to clearly understanding the witness's testimony or to determining a fact in issue; and
(c) not based on scientific, technical, or other specialized knowledge within the scope of Rule 702.
(Adopted March 26, 2018, effective July 1, 2018.)