19-19-602. Need for personal knowledge--Exception for expert opinion.
A witness may testify to a matter only if evidence is introduced sufficient to support a finding that the witness has personal knowledge of the matter. Evidence to prove personal knowledge may consist of the witness's own testimony. This rule does not apply to a witness's expert testimony under §19-19-703.
Source: SL 1979, ch 358 (Supreme Court Rule 78-2, Rule 602); SDCL §19-14-2; SL 2016, ch 239 (Supreme Court Rule 15-36), eff. Jan. 1, 2016.