Bases of Opinion Testimony by Experts

The facts or data in the particular case upon which an expert bases an opinion or inference may be those perceived by or made known to the expert at or before the proceeding. If of a type reasonably relied upon by experts in the particular field in forming opinions or inferences upon the subject, the facts or data need not be admissible in evidence. NOTE : Adopted September 15, 1992 to be effective July 1, 1993; caption and text amended September 16, 2019 to be effective July 1, 2020.