§ 201.18 Drugs; significance of control numbers.

Law · 21 CFR 201.18 · eCFR as of 25 Sep 2026 · checked 30 Sep 2026 · Official source: ecfr.gov

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.