Section 19-15-1 - (Rule 701) Opinions and inferences of lay witnesses.
19-15-1. (Rule 701) Opinions and inferences of lay witnesses. If the witness is not testifying as an expert, his testimony in the form of opinions or inferences is limited to those opinions or inferences which are:
(1) Rationally based on the perception of the witness; and
(2) Helpful to a clear understanding of his testimony or the determination of a fact in issue.
Source: Supreme Court Rule 78-2, Rule 701.