| 8531.10 |   | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus |   |   |   | 
| 8531.10.10 |   | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus - Smoke detectors | NMB | Free | CCCT, LDCT | 
| 8531.10.10 | 10 | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus - Smoke detectors - Battery-operated | NMB | Free | CCCT, LDCT | 
| 8531.10.10 | 90 | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus - Smoke detectors - Other | NMB | Free | CCCT, LDCT | 
| 8531.10.90 |   | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus - Other | NMB | 6.5% | CCCT, LDCT | 
| 8531.10.90 | 10 | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus - Other - Burglar alarms | NMB | 6.5% | CCCT, LDCT | 
| 8531.10.90 | 90 | Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30.
 - Burglar or fire alarms and similar apparatus - Other - Other | NMB | 6.5% | CCCT, LDCT |