CFR›Title 27›Chapter I›Part 19›Subpart N›Subject Group Obscuration Determination ContainsSection 19.346CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 19.346 § 19.346 Determining obscuration. Previous Filing Formulas with TTB Filing Formulas with TTB Next Requirements for Processing Inventories Requirements for Processing Inventories