21 CFR § 121.140 - Food defense monitoring.

---
identifier: "/us/cfr/t21/s121.140"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 121.140 - Food defense monitoring."
title_number: 21
title_name: "Food and Drugs"
section_number: "121.140"
section_name: "Food defense monitoring."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "121"
part_name: "MITIGATION STRATEGIES TO PROTECT FOOD AGAINST INTENTIONAL ADULTERATION"
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. 331, 342, 350g, 350(i), 371, 374."
regulatory_source: "81 FR 34219, May 27, 2016, unless otherwise noted."
cfr_part: "121"
---


# 121.140 Food defense monitoring.

As appropriate to the nature of the mitigation strategy and its role in the facility's food defense system:

(a) *Written procedures.* You must establish and implement written procedures, including the frequency with which they are to be performed, for food defense monitoring of the mitigation strategies.

(b) *Food defense monitoring.* You must monitor the mitigation strategies with adequate frequency to provide assurances that they are consistently performed.

(c) *Records*—(1) *Requirement to document food defense monitoring.* You must document the monitoring of mitigation strategies in accordance with this section in records that are subject to verification in accordance with § 121.150(a)(1) and records review in accordance with § 121.150(a)(3)(i).

(2) *Exception records.* Records may be affirmative records demonstrating the mitigation strategy is functioning as intended. Exception records demonstrating the mitigation strategy is not functioning as intended may be adequate in some circumstances.