Statutes, codes, and regulations
Washington Court Rules
Washington Rules of Evidence
Title 7 - Opinions and Expert Testimony
Rule ER 705 - Disclosure Of Facts Or Data Underlying Expert Opinion

Wash. R. Evid. 705

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As amended throough October 10, 2024
Rule ER 705 - Disclosure Of Facts Or Data Underlying Expert Opinion

The expert may testify in terms of opinion or inference and give reasons therefor without prior disclosure of the underlying facts or data, unless the judge requires otherwise. The expert may in any event be required to disclose the underlying facts or data on cross examination.

Wash. R. Evid. ER 705

Amended effective 9/1/1992.

Comment 705

[Deleted effective September 1, 2006.]