---
kind: "section"
citation: "29 C.F.R. § 18.705"
title: "29"
number: "18.705"
heading: "Disclosure of facts or data underlying expert opinion."
url: "https://uscodex.org/cfr/29/18.705"
---

# §18.705. 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.


## Notes

### Source

Source: 55 FR 13219, Apr. 9, 1990, unless otherwise noted.

### Authority

Authority: 5 U.S.C. 301; 5 U.S.C. 551-553; 5 U.S.C. 571 note; E.O. 12778; 57 FR 7292.

### Source

Source: 48 FR 32538, July 15, 1983, unless otherwise noted.