Classification of PXI Controllers as measuring and control systems with parts classed separately under tariff headings. PXI Controllers used in measurement and automation are to be treated as complete measuring and control systems classified under Tariff Item 9032 89 10, while Input/Output Modules, Signal Converters and Chassis that serve as connectivity, housing or perform specific sensing and interfacing functions are parts of that system classified under Tariff Item 9032 90 00; the Board directs uniform assessment practice and finalisation of pending assessments in line with the cited Supreme Court order.