3913Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms.
2 subheadings
Classify a whole shipment, not one line at a time.
Adhoc's agent assigns HS codes with the ruling chain cited, checks AIRS and PGA requirements, and drafts the CBSA declaration for your broker to review.
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