11. Wholesale distributor verification requirement for saleable returned drug product: compliance policy Publication: Silver Spring, MD : Center for Drug Evaluation and Research, September 2019 Subject(s): Commerce -- legislation & jurisprudenceLegislation, DrugPharmaceutical Preparations -- standardsDrug LabelingDrug PackagingGuideline AdherenceHumansUnited StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.United States.