CFR›Title 27›Chapter I›Part 19›Subpart L›Subject Group Production Inventories ContainsSection 19.312CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 19.312 § 19.312 Physical inventories. Previous Notification to TTB When Beginning or Suspending Production Operations Notification to TTB When Beginning or Suspending Production Operations Next Rules for Chemical Byproducts Rules for Chemical Byproducts