CFR›Title 21›Chapter I›Part 121 ContainsSubparts A–ECorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 121—MITIGATION STRATEGIES TO PROTECT FOOD AGAINST INTENTIONAL ADULTERATION Subparts A Subpart A—General Provisions Sections 121.1–121.5 B Subpart B—Reserved C Subpart C—Food Defense Measures Sections 121.126–121.157 D Subpart D—Requirements Applying to Records That Must Be Established and Maintained Sections 121.301–121.330 E Subpart E—Compliance Section 121.401 Authority21 U.S.C. 331, 342, 350g, 350(i), 371, 374.Source81 FR 34219, May 27, 2016, unless otherwise noted. Previous 120 Part 120—Hazard Analysis and Critical Control Point (HACCP) Systems Next 123 Part 123—Fish and Fishery Products