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HS 38221 – Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the forms of kits:

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the forms of kits:

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Frequently asked questions

Does HS 38221 have one duty rate?

Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the forms of kits: is an intermediate classification, not a complete eight-digit tariff item. 5 child tariff lines are available. Select the specific child item before determining the duty rate; CBSA classification is authoritative.

Can CUSMA or other preferences apply under HS 38221?

Preference depends on the exact eight-digit tariff item, qualifying country of origin and origin proof or certification. Consult the linked child tariff lines for T2026-2 MFN and preferential rates. Surtaxes and GST/HST/PST must also be checked for the specific item and origin.