40 CFR 211.204-3 - Label location and type.
(1) Affixed to the device or its carrying case; and
(b) Labeling with a minimum sized label will occur as follows:
(2) If the protector is displayed at the point of ultimate purchase or distribution to prospective users in a permanent or disposable bulk container or dispenser, even if the protector is individually packaged within the dispenser and labeled as above, the container or dispenser itself must be labeled. The label must be readily visible to the ultimate purchaser or prospective user.