Definitions: key customs terms clarified for manufacture-in-warehouse operations, covering Act, manufacturer, and proper form requirements. Regulation 2 defines key terms for the Manufacture and Other Operations in Warehouse Regulations, 1966: Act as the governing customs statute; Manufacturer as the owner of warehoused goods sanctioned under regulation 5; and Proper form as the form required to be adopted by the Assistant Commissioner of Customs or Deputy Commissioner of Customs.