CBP Ruling 959577: PRD 3501-95-100266; Poultry-Keeping Machinery Imported in Separate Shipments; Poultry Incubators and Brooders, Heading 8436 ; Wire Cages, Automatic Feeding Devices, Manure Removing Apparatus; Articles Imported Unfinished and Unassembled, Essential Character, GRI 2(a); Parts, Heading 8431; Section XVI, Note 2, Nidec Corporation v. United States, S.G.B. Scaffolding and Shoring Co., Inc. v. United States, HQ 952143