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21 CFR § 12.40 - Appearance.

---
identifier: "/us/cfr/t21/s12.40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 12.40 - Appearance."
title_number: 21
title_name: "Food and Drugs"
section_number: "12.40"
section_name: "Appearance."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "12"
part_name: "FORMAL EVIDENTIARY PUBLIC HEARING"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 141-149, 321-393, 467f, 679, 821, 1034; 42 U.S.C. 201, 262, 263b-263n, 264; 15 U.S.C. 1451-1461; 5 U.S.C. 551-558, 701-721; 28 U.S.C. 2112."
regulatory_source: "44 FR 22339, Apr. 13, 1979, unless otherwise noted."
cfr_part: "12"
---

# 12.40 Appearance.

(a) A person who has filed a notice of participation under § 12.45 may appear in person or by counsel or other representative in any hearing and, subject to § 12.89, may be heard concerning all relevant issues.

(b) The presiding officer may strike a person's appearance for violation of the rules of conduct in § 12.90.