# 29 CFR § 18.201: Official notice of adjudicative facts

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-29-18.201

## Section

- **Citation:** 29 CFR § 18.201
- **Heading:** Official notice of adjudicative facts
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 29—Labor > Subtitle A—Office of the Secretary of Labor > PART 18—RULES OF PRACTICE AND PROCEDURE FOR ADMINISTRATIVE HEARINGS BEFORE THE OFFICE OF ADMINISTRATIVE LAW JUDGES > Subpart B—Rules of Evidence > Official Notice

## Text

(a) Scope of rule. This rule governs only official notice of adjudicative facts.
(b) Kinds of facts. An officially noticed fact must be one not subject to reasonable dispute in that it is either:
(1) Generally known within the local area,
(2) Capable of accurate and ready determination by resort to sources whose accuracy cannot reasonably be questioned, or
(3) Derived from a not reasonably questioned scientific, medical or other technical process, technique, principle, or explanatory theory within the administrative agency's specialized field of knowledge.
(c) When discretionary. A judge may take official notice, whether requested or not.
(d) When mandatory. A judge shall take official notice if requested by a party and supplied with the necessary information.
(e) Opportunity to be heard. A party is entitled, upon timely request, to an opportunity to be heard as to the propriety of taking official notice and the tenor of the matter noticed. In the absence of prior notification, the request may be made after official notice has been taken.
(f) Time of taking notice. Official notice may be taken at any stage of the proceeding.
(g) Effect of official notice. An officially noticed fact is accepted as conclusive.

## Nearby sections

- [29 CFR § 18.201 § 18.201 Official notice of adjudicative facts.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.201.md)
- [29 CFR § 18.301 § 18.301 Presumptions in general.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.301.md)
- [29 CFR § 18.302 § 18.302 Applicability of state law.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.302.md)
- [29 CFR § 18.401 § 18.401 Definition of relevant evidence.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.401.md)
- [29 CFR § 18.402 § 18.402 Relevant evidence generally admissible; irrelevant evidence inadmissible.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.402.md)
- [29 CFR § 18.403 § 18.403 Exclusion of relevant evidence on grounds of confusion or waste of time.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.403.md)
- [29 CFR § 18.404 § 18.404 Character evidence not admissible to prove conduct; exceptions; other crimes.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.404.md)
- [29 CFR § 18.405 § 18.405 Methods of proving character.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.405.md)
- [29 CFR § 18.406 § 18.406 Habit; routine practice.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.406.md)
- [29 CFR § 18.407 § 18.407 Subsequent remedial measures.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.407.md)
- [29 CFR § 18.408 § 18.408 Compromise and offers to compromise.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.408.md)
- [29 CFR § 18.409 § 18.409 Payment of medical and similar expenses.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.409.md)
- [29 CFR § 18.410 § 18.410 Inadmissibility of pleas, plea discussion, and related statements.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.410.md)
- [29 CFR § 18.411 § 18.411 Liability insurance.](https://www.frixlaw.com/law-library/statutes/ecfr-29-18.411.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-29-18.201. Check the current official text before relying on it. Not legal advice.