---
title: "Federal Evidence Rule 606"
citation: "Fed. R. Evid. 606"
authority_id: "AUTH-FRE-606"
authority_type: "rule"
jurisdiction: "federal_nationwide"
precedential_status: "binding_rule"
official_url: "https://www.uscourts.gov/sites/default/files/document/federal-rules-of-evidence.pdf"
url: "https://jason93.com/legal/federal-process/authorities/AUTH-FRE-606/"
legal_review: "2026-08-25"
links_checked: "2026-10-15"
links_available: 1
links_checked_count: 1
license: "CC BY 4.0"
---

# Federal Evidence Rule 606

## Propositions supported

Juror competence as a witness and the no-impeachment rule, including its three textual exceptions.

## Material limitations

Admissibility of particular proof, nonjuror evidence, constitutional exceptions, local juror-contact rules, procedure, and prejudice require separate analysis.

## Official source and pinpoints

Rule 606: <https://www.uscourts.gov/sites/default/files/document/federal-rules-of-evidence.pdf>


## Used in

- [Rule 29, Mistrial, Verdict, and Juror Misconduct](https://jason93.com/legal/federal-process/modules/30-plea-and-trial/rule-29-mistrial-verdict-and-juror-misconduct.md)