Wyo. R. Evid. 705 (2026)

Rule 705. Disclosure of facts or data underlying expert opinion (Ef-

fective until August 1, 2019.) The expert may testify in terms of opinion or inference and give his reasons therefor without prior disclosure of the underlying facts or data, unless the court requires otherwise. The expert may in any event be required to disclose the underlying facts or data on cross-examination.

Rule 705. Disclosure of facts or data underlying expert opinion (Ef- fective August 1, 2019.) 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.