When must an investigation be conducted of your manufacturing processes and other batches?
21 C.F.R. § 111.530
in effectEffective: 2024-07-01If the reason for a dietary supplement being returned implicates other batches, you must conduct an investigation of your manufacturing processes and each of those other batches to determine compliance with specifications.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
