Find the right candidate before a shipment, label, or invoice is prepared.
- How to find an HS code for a product
- What happens if an HS code is wrong
- HS code candidates for clothing, jewelry, pet products, and phone accessories
Guides
Customs Readiness Guides
Plain-English guides for HS codes, import duty estimates, country of origin, commercial invoices, CN22/CN23, and ecommerce catalog customs readiness.
Guide Clusters
Questions TariffCatalog will answer first
These guide clusters support the live tools and create clean internal links for HS code, duty, document, and catalog readiness searches.
Understand which values, rates, and fees belong in an import duty estimate.
- How to calculate import duty from China to the United States
- How additional tariffs change the total import cost
- FOB, CIF, and manual customs value basis explained
Prepare customs document drafts with the fields carriers and brokers usually ask for.
- Commercial invoice required fields
- Packing list vs commercial invoice
- CN22 vs CN23 for postal shipments
Clean product catalog customs fields before international shipping workflows begin.
- How to add HS code and country of origin fields to a CSV catalog
- Invoice-ready product descriptions for customs documents
- Bulk SKU cleanup checklist before shipping labels are purchased