---
kind: "section"
citation: "18 C.F.R. § 385.506"
title: "18"
number: "385.506"
heading: "Examination of witnesses during hearing (Rule 506)."
url: "https://uscodex.org/cfr/18/385.506"
---

# §385.506. Examination of witnesses during hearing (Rule 506).

- (a) **Prepared written direct and rebuttal testimony.** Unless the presiding officer orders such testimony to be presented orally, direct and rebuttal testimony of a witness in a hearing must be prepared and submitted in written form, as required by [Rule 507](/cfr/18/507.md). Any witness submitting written testimony must be available for cross-examination, as provided in this subpart.
- (b) **Oral testimony during hearing.** Oral examination of a witness in a hearing must be conducted under oath and in the presence of the presiding officer, with opportunity for all participants to question the witness to the extent consistent with Rules [504(b)(17)](/cfr/18/504.md?p=b-17), [505](/cfr/18/505.md), and [509(a)](/cfr/18/509.md?p=a).

## Notes

### Authority

Authority: 5 U.S.C. 551-557; 15 U.S.C. 717-717w, 3301-3432; 16 U.S.C. 791a-825v, 2601-2645; 28 U.S.C. 2461; 31 U.S.C 3701, 9701; 42 U.S.C. 7101-7352, 16441, 16451-16463; 49 U.S.C. 60502; 49 App. U.S.C. 1-85 (1988); 28 U.S.C. 2461 note (1990); 28 U.S.C. 2461 note (2015).

### Source

Source: Order 225, 47 FR 19022, May 3, 1982, unless otherwise noted.