StacksVerified U.S. regulatory reference

9 CFR §431.11

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
All operators of thermal processing systems specified in § 431.6 and container closure technicians must be under the direct supervision of a person who has successfully completed a school of instruction that is generally recognized as adequate for properly training supervisors of canning operations.