What does this code pay?

Type the code and the origin. You get what the schedule required on that line — read at the entry’s own month, with the Chapter 99 arithmetic shown — and what US importers were actually charged on it at the border. Where the rule cannot be settled from the public record, the page says so and names why.

How that rate is built

Each term read at the entry’s own month, not today’s.

The third column is each layer’s standing, not its size. These are separate laws at different stages: the IEEPA provisions were struck down and duty under them is refundable with interest; Section 122 was held unlawful by a federal court and that ruling is stayed on appeal, so it is unsettled; Section 232, Section 301 and the general column are in force. A layer at 0.00% still has a standing, and which law a duty was filed under is what decides whether anything can be done about it.

Country measure, source: Proc. 11012 (9903.03.01).

What was paid on 8471.30 from China

Six digits — one level up from the line above. Not because that is where the count is published: these receipts are held at ten digits, and the line above is one of them. It is because a heading is a steadier denominator than a single line, and 8471.30.01.00 is 100.0% of this one — a monthly rate on a small base moves on a handful of shipments. Every importer on this heading and origin, month by month, nationwide and across every mode of transport, as counted by US Census. Last 24 months.

8471.30.__.__ · What shipped · containers at 11 seaports

Everything below is about the six-digit heading 8471.30, and for a different reason than the receipts above. Those are counted at six digits because that is where the national count is published. These are counted at six digits because that is the only level at which ports, weights and origins exist at all. They are also different nets: the receipts count everything cleared nationwide, by sea, air and land; these count containers discharged at 11 seaports. Neither divides into the other.

How to read: each row is one origin shipping this six-digit heading through the mirrored seaports, largest share of container weight first. Twelve months to May 2026. Share and tonnage are containerised weight through the 11 mirrored gateways. Unit value is the geometric mean of each month’s customs value per kilo — an average one enormous shipment cannot drag — value declared at the foreign port, over gross shipping weight including packing, so it is a statistic and not a quote. It is taken over observations above one tonne, so very small consignments — which tend to carry a higher value per kilo — are not in it. A dash means the twelve-month weight is too small for a unit value to mean anything.

The goods under one heading do not have to agree. Where the rate side can say every line under a heading carries the same rate, this side can never say the same of the goods: a unit value that differs across origins is at least as likely to be a different product mix as a different price.

8471.30.__.__ · The lane over time

How to read: two strips through time — the upper is monthly container weight, the lower the typical declared price per kilo; each upright rule marks a month the required rate on 8471.30.01.00 from China changed — 8 changes in this window. Six-digit trade detail begins January 2024; the rate series does not run the whole width, so a stretch with no rule is not necessarily a stretch with no change. Weight and unit value are containerised, through the 11 mirrored gateways.

What this cannot tell you

The trade figures count containers discharged at 11 seaports. Goods arriving by air, across the land border, or through a smaller port are not in them — which is why the two dollar figures on this page are not two versions of one number.

The paid figure is a national average across every importer on that code and origin. Your own line can lawfully sit well away from it and still be right — an exclusion claimed, USMCA content, a quota line, goods returned under Chapter 98, a first-sale valuation. That is the whole reason the difference above is a difference and not a finding.

And a difference is not money owed. We pre-registered the test of whether this gap predicts recoverable duty and it failed — the result is on /limits, in full, with the sort that beat it.

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how a line is priced · the national number · what this does not do