Prepare a Section 301-style additional tariff review workflow for China-origin goods using HS code, origin, declared value, base duty, and additional tariff inputs. Verifies additional tariff inputs without claiming universal rates.
Run the tool to see an itemized result. No signup is required. Manual-mode inputs are processed in your browser. If Auto mode is enabled and selected, the listed tariff inputs are sent to the TariffCatalog resolver API for a source-backed estimate.
Section 301-style additional tariffs apply to specific HS codes and origin combinations. The tool does not hardcode a universal China tariff. Use the additional tariff input only after verifying the rate against official USTR and USITC references for the destination product and origin.
Base duty = declared value × base duty rate. Additional tariff = declared value × additional tariff rate. Total tariff stack = base duty + additional tariff. This is a planning estimate, not an official filing outcome.
Use this checker to estimate the additional tariff impact for a China-origin shipment when you already know the HS code, base duty rate, and an additional tariff input.
Additional tariff programs change. Do not hardcode a universal rate. Verify the additional tariff rate for your product and origin against official USTR, USITC, and destination customs references before filing.
Official source notes and calculator assumptions should be reviewed before shipment, label purchase, invoice filing, or customs entry.
Base duty = declared value × base duty rate. Additional tariff = declared value × additional tariff rate. Total tariff stack = base duty + additional tariff. This is a planning estimate, not an official filing outcome.
A USD 2,000 declared value with 6.5% base duty and 7.5% additional tariff returns USD 130 base duty, USD 150 additional tariff, and USD 280 total tariff stack. Verify the additional tariff rate in official USTR and USITC references for the actual HS code and origin.
Additional tariff programs change. Do not hardcode a universal rate. Verify the additional tariff rate for your product and origin against official USTR, USITC, and destination customs references before filing.
This tool provides planning estimates and document preparation support only. Confirm final classifications, duty treatment, and filing requirements with official tariff databases or qualified trade professionals.
No. Section 301 covers specific products and origin combinations. Verify the actual HS code and current list before applying any rate.
No. Use the additional tariff field only after verifying the rate against official USTR and USITC references for your product and origin.
No. Section 301-style additional tariffs are typically applied on top of base duty, not as a replacement.
Review USTR Section 301 list updates and USITC HTS references for the actual HS code and origin.
Use the origin input to reflect the actual country of manufacture or substantial transformation. Additional tariff treatment depends on the verified origin.
No. It is a planning estimate only.
Use the AI HS Code Finder, CSV Catalog Checker, and Import Duty Calculator to prepare customs data before shipping.
