{"data":{"id":"us/21-cfr-201.18","jurisdiction":"us","citation":"21 CFR 201.18","heading":"Drugs; significance of control numbers.","body":"The lot number on the label of a drug should be capable of yielding the complete manufacturing history of the package. An incorrect lot number may be regarded as causing the article to be misbranded.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER C—DRUGS: GENERAL","PART 201—LABELING","Subpart A—General Labeling Provisions"],"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":"23b7aa34ee2ca4b6023ec8fd334b5c2afc33887c257f58c02225fc1c62d9ffd6","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-201.17","next":"us/21-cfr-201.19"},"notice":"GroundRules: Original legal text. Not legal advice."}