21 CFR §1302.06
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
On each bottle, multiple dose vial, or other commercial container of any controlled substance, there shall be securely affixed to the stopper, cap, lid, covering, or wrapper or such container a seal to disclose upon inspection any tampering or opening of the container.