9 CFR § 310.15 - Disposition of thyroid glands and laryngeal muscle tissue.

---
identifier: "/us/cfr/t9/s310.15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "9 CFR § 310.15 - Disposition of thyroid glands and laryngeal muscle tissue."
title_number: 9
title_name: "Animals and Animal Products"
section_number: "310.15"
section_name: "Disposition of thyroid glands and laryngeal muscle tissue."
chapter_name: "FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE"
subchapter_number: "A"
subchapter_name: "AGENCY ORGANIZATION AND TERMINOLOGY; MANDATORY MEAT AND POULTRY PRODUCTS INSPECTION AND VOLUNTARY INSPECTION AND CERTIFICATION"
part_number: "310"
part_name: "POST-MORTEM INSPECTION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 601-695; 7 CFR 2.18, 2.53."
regulatory_source: "35 FR 15567, Oct. 3, 1970, unless otherwise noted."
cfr_part: "310"
---


# 310.15 Disposition of thyroid glands and laryngeal muscle tissue.

(a) Livestock thyroid glands and laryngeal muscle tissue shall not be used for human food.

(b) Livestock thyroid glands and laryngeal muscle tissue may be distributed to pharmaceutical manufacturers for pharmaceutical use in accordance with § 314.9 or § 325.19(c) of this subchapter, if they are labeled in accordance with § 316.13(f) of this subchapter. Otherwise, they shall be disposed of at the official establishment in accordance with § 314.1 or § 314.3 of this subchapter.

[53 FR 45890, Nov. 15, 1988]