Direct answer

What should you do first?

Create a dated classification and additional-duty review for each China-origin inventory SKU. Start with the real cargo, importer and receiving requirements, then verify the current official rules before booking. Transport estimates are planning ranges rather than guarantees.

Key planning facts

Use this guide to prepare a shipment-specific discussion. Verify current rules and operating instructions again before cargo is released, booked or presented for import.

Decision owner
The seller or importing entity confirms commercial, customs and receiving facts.
Primary milestone
Inventory received and available, not only port arrival or proof of delivery.
Risk control
Reopen the plan when cargo, importer, route or warehouse instructions change.

Create a dated review for each SKU

Section 301 exposure depends on the current Harmonized Tariff Schedule classification and the relevant USTR action, not simply on a product being made in China.

Treat Section 301 as a SKU-level, date-specific review. Create a row for every product with the review date, proposed HTS provision, applicable Chapter 99 treatment, supporting sources and responsible approver. Products that share a marketplace category may not share a customs classification. The workbook should make clear which result is confirmed, which is provisional and which requires broker or specialist analysis.

Record the classification rationale

Start with the normal duty line, then check current Chapter 99 instructions, exclusions and effective dates through official US sources.

Record why the proposed classification fits the product's material, function and use. Link official tariff text and any ruling or technical document relied upon. Do not copy a supplier code without reviewing the product facts. If a bundle, accessory or revised model has different characteristics, give it a separate assessment. The purpose is a defensible decision trail, not a list of codes with no reasoning.

Apply current Chapter 99 instructions

Include additional duties in landed-cost comparisons before choosing a mode or selling price. Transport optimization cannot offset an omitted tariff assumption.

Check the current normal duty treatment and the relevant Chapter 99 instructions together. Capture effective dates, exclusions or special instructions that matter to the SKU. Use official U.S. International Trade Commission, U.S. Trade Representative and U.S. Customs and Border Protection sources. Because measures can change, state the date checked and require a new review before a later shipment relies on the result.

Escalate changes in product or tariff status

Do not use an old supplier code or marketplace category as customs classification evidence. Record the rationale and source used by the responsible importer.

Define change triggers: revised composition, a new use, changed manufacturing origin, an updated tariff action or an expired exclusion. Assign someone to monitor high-exposure SKUs and reopen the workbook when a trigger occurs. Automation may flag source changes, but it should not publish or apply a new duty conclusion without consistent official evidence and responsible human confirmation.

Carry the duty result into landed cost

Recheck when product composition, function, origin processing or official tariff measures change, and document the date of the review.

Carry the approved duty assumption into landed cost by SKU and shipment scenario. Separate normal duty, additional duty and other entry costs from transport and receiving charges. Show the value basis and quantity used so the commercial team can reproduce the result. If the classification is unresolved, use a clearly labeled sensitivity range rather than hiding the uncertainty inside a single margin number.

Practical worksheet

SKU tariff-review worksheet

Give every materially different SKU a dated line. Record the product facts, proposed HTS provision, normal duty treatment, relevant Chapter 99 instruction and sources consulted. Identify the reviewer and confidence status. A shared sales category is not enough to group products with different materials, functions or configurations. The worksheet must preserve the reasoning behind each code and additional-duty conclusion.

Use a source hierarchy that starts with the current Harmonized Tariff Schedule and applicable official U.S. government material. Record effective dates and any exclusion condition exactly enough for the importer to revisit it. If sources conflict or the product facts do not support a conclusion, show a hold or sensitivity range. Automation can monitor source availability but should not invent the legal result.

Transfer the reviewed treatment into a landed-cost model with the value basis and quantity visible. Separate normal duty, additional duty, fees, transport and receiving costs. Then test a product or tariff change. The model should show which margin assumption moves and which SKU requires reapproval. This prevents a historic supplier code or expired measure from surviving invisibly inside a current inventory decision.

Fields to complete before release

  • Describe material, function and use for every reviewed SKU.
  • Record the HTS rationale and current official sources.
  • Check applicable Chapter 99 instructions and effective dates.
  • Flag exclusions or unresolved treatment as dated conditions.
  • Separate additional duty from transport and receiving cost.
  • Reopen the row after product or tariff changes.

Frequently asked questions

Does every China-origin product have the same Section 301 treatment?

No. Treatment depends on the current classification and applicable tariff actions and instructions. Review each materially different SKU with dated official sources.

Can a supplier's tariff code be copied into the workbook?

It can be considered as an input, but the responsible importer should document a classification rationale based on the actual product and official tariff material.

What information is needed for a useful plan?

Send the origin city, destination country and warehouse, product description, cartons, dimensions or weight, cargo-ready date and the date inventory must be available. The more complete the file, the fewer assumptions are hidden in the comparison.

Are the transit ranges guaranteed?

No. Carrier schedules, cargo readiness, customs review, exams, weather, appointment availability and warehouse receiving can change the result. Treat the range as a planning input and keep a buffer for the destination handoff.

Does this guide replace customs or tax advice?

No. Customs classification, importer responsibility, duties, taxes and product controls are legal or commercial decisions. Confirm them with the appointed broker, importer or qualified adviser using current official sources.

Official sources

U.S. Trade Representative - Section 301USITC Harmonized Tariff ScheduleU.S. Customs and Border Protection

Change log

2026-08-10 Initial North America operations and source review.