{"data":{"id":"us/21-cfr-111.530","jurisdiction":"us","citation":"21 CFR 111.530","heading":"When must an investigation be conducted of your manufacturing processes and other batches?","body":"If 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.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION","PART 111—CURRENT GOOD MANUFACTURING PRACTICE IN MANUFACTURING, PACKAGING, LABELING, OR HOLDING OPERATIONS FOR DIETARY SUPPLEMENTS","Subpart N—Returned Dietary Supplements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"97401707d6baf3b4874e9aa662c55d76d542361e4d9c1f9085684067637a86db","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-111.525","next":"us/21-cfr-111.535"},"notice":"GroundRules: Original legal text. Not legal advice."}