21 CFR § 500.23 - Thermally processed low-acid foods packaged in hermetically sealed containers.

---
identifier: "/us/cfr/t21/s500.23"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 500.23 - Thermally processed low-acid foods packaged in hermetically sealed containers."
title_number: 21
title_name: "Food and Drugs"
section_number: "500.23"
section_name: "Thermally processed low-acid foods packaged in hermetically sealed containers."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "500"
part_name: "GENERAL"
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. 321, 331, 342, 343, 348, 351, 352, 353, 360b, 371, 379e."
regulatory_source: "40 FR 13802, Mar. 27, 1975, unless otherwise noted."
cfr_part: "500"
---


# 500.23 Thermally processed low-acid foods packaged in hermetically sealed containers.

Except as provided in § 507.5(b) of this chapter, the provisions of parts 507 and 113 of this chapter apply to the manufacturing, processing, or packing of low-acid foods in hermetically sealed containers, and intended for use as food for animals.

[80 FR 56337, Sept. 17, 2015]