1. Extension of certain tobacco product compliance deadlines related to the final deeming rule: (revised) Publication: Silver Spring, MD : Food and Drug Administration, Center for Tobacco Products, March 2019 Subject(s): Product Labeling -- legislation & jurisprudenceTobacco Products -- legislation & jurisprudenceGuideline AdherenceTobacco Products -- adverse effectsTobacco Products -- standardsHumansUnited StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.United States.