Wyo. R. Prac. & P. 705

As amended through April 30, 2019
Rule 705 - Disclosure of facts or data underlying expert opinion

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.

Wyo. R. Prac. & P. 705