Relabel means to change the existing label or labels on a drug or drug package, or change or alter the existing labeling for a drug or drug package, without repacking the drug or drug package. This term does not include the addition or modification of information affixed solely for purposes of delivery to a customer, customer identification, and/or inventory management.
21 CFR § 207.1
The definitions and interpretations of terms in sections 201 and 510 of the Federal Food, Drug, and Cosmetic Act apply to the terms used in this part, if not otherwise defined in this section. The following definitions apply to this part: