8531.10Electric 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
4 classifications
8531.10.10Indicating or automatic alarm equipment for detecting or indicating noxious gases or noxious vapours in the atmosphere; Smoke detectors
8531.10.90Other
Classify a whole shipment, not one line at a time.
Adhoc's agent assigns HS codes with the ruling chain cited, checks CFIA and other agency requirements, and drafts the CBSA declaration for your broker to review.
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