HS Code Heading 8531

8531.10.00 Electric burglar or fire alarms and similar apparatus 8531.20.00 Indicator panels incorporating liquid crystal devices (LCD's) or light emitting diodes (LED's) 8531.80.00 Electric sound or visual signaling apparatus, other than burglar or fire alarms or indicator panels incorporating LCD's or LED's 8531.90.15 Printed circuit assemblies of the panels of subheading 8531.20 8531.90.30 Printed circuit assemblies of electric sound or visual signaling apparatus, nesoi 8531.90.75 Parts of the panels of subheading 8531.20, other than printed circuit assemblies 8531.90.90 Parts of electric sound or visual signaling apparatus, nesoi