21 C.F.R. § 1302.06 Sealing of controlled substances.
Title 21 - Food and Drugs
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. [62 FR 13958, Mar. 24, 1997]
Title 21: Food and Drugs
PART 1302—LABELING AND PACKAGING REQUIREMENTS FOR CONTROLLED SUBSTANCES
§ 1302.06 Sealing of controlled substances.