Unless the court orders otherwise, an expert may state an opinion–and give the reasons for it–without first testifying to the underlying facts or data. But the expert may be required to disclose those facts or data on cross-examination.

Source: SL 2011, ch 238 (Supreme Court Rule 10-14); SDCL § 19-15-5; SL 2016, ch 239 (Supreme Court Rule 15-53), eff. Jan. 1, 2016.