---
kind: "section"
citation: "9 C.F.R. § 202.121"
title: "9"
number: "202.121"
heading: "Rule 21: Intervention."
url: "https://uscodex.org/cfr/9/202.121"
---

# §202.121. Rule 21: Intervention.


At any time after docketing of a proceeding and before commencement of a hearing, oral or written, therein, the presiding officer may, upon petition, and for good cause shown, permit any person to intervene therein. The petition shall state with preciseness and particularity: (a) The petitioner's relationship to the matters involved in the proceeding; (b) the nature of the material the petitioner intends to present in evidence; (c) the nature of the argument the petitioner intends to make; and (d) the reasons why the petitioner should be allowed to intervene. Any such petition, and notice of the order thereon, shall be served on the parties and made a part of the record in the proceeding.


## Notes

### Authority

Authority: 7 U.S.C. 228(a); 7 CFR 2.22 and 2.81.

### Source

Source: 43 FR 30510, July 14, 1978, unless otherwise noted.