An anti-dumping measure is not a wall around a market. It is a list of named companies, each with its own duty, plus a single rate for everyone else. Read any such measure and you see the structure immediately: cooperating producers appear by name, sometimes with duties low enough to keep trading on, and at the bottom sits the residual rate that applies to all other producers in the country concerned. Which side of that list you end up on is decided by what you do in the opening weeks of the investigation, not by the quality of your product or the fairness of your prices. The investigation is not judging you. It is calculating, and it calculates with whatever it is given.
Why the same product leaves one factory with one duty and another with a worse one
Because the duty is calculated per exporter, from that exporter's own figures. The investigation compares the price at which a producer sells to the Union with a constructed measure of what that producer's product should cost, and the gap becomes its individual duty. That calculation needs the producer's cost and sales data. Where a producer does not supply them, the authority is entitled to use the facts available — which, in practice, means the least favourable reasonable assumption. That is the residual rate, and it is not a penalty for wrongdoing. It is the arithmetic of silence. Nothing in that outcome depends on whether your prices were fair. It depends on whether anyone from your company answered.
What happens, and in what order
- The notice of initiation is published. It names the product under investigation, the countries concerned, the period examined, and what interested parties must do to make themselves known. This is the document that starts every clock in the procedure, and the clocks are short.
- Exporters come forward and are sampled. Where many producers are involved, the authority selects a sample on which it will calculate individual duties. Being in the sample requires having come forward and supplied the preliminary information requested, in the form requested, before the stated cut-off.
- The questionnaire is completed. A long document requiring production costs, sales by market, transaction listings, corporate structure and related-party dealings, with the accounting records behind each figure and consistency between all of them.
- A verification visit takes place. Officials come to the plant and the offices and reconcile what was declared with the books. What cannot be reconciled is removed, and a questionnaire whose figures do not survive verification can be set aside altogether, which returns the producer to the residual rate.
- Provisional measures are imposed. A provisional duty applies while the investigation continues, secured rather than definitively collected. Parties are told the essential facts on which it rests and may comment.
- Definitive measures are adopted. The final regulation sets the duties, company by company, with the residual rate for everyone else, and decides what happens to the provisional amounts. Afterwards, change comes only through the review mechanisms.
What the questionnaire actually asks for
Not opinions, and not arguments. It asks for figures that reconcile with audited accounts, in a defined format, for a defined period. The reason producers fail is almost never dishonesty — it is that the data lives in systems that were never designed to agree with each other. Cost accounting allocates overheads one way, the sales ledger uses another product code, the export department keeps its own spreadsheet, and the related trading company in another jurisdiction has its own books. Reconciling all of that is the work, and it is accounting work rather than legal work.
- Costs per product, built from the accounts. Materials, labour, energy, overhead allocation, by the product type under investigation and not by a commercial family you invented for the occasion.
- Transaction-level sales listings. Every sale to the Union and on the domestic market, with dates, quantities, prices, discounts, rebates, transport and payment terms. Totals that do not tie to the ledger are the first thing verification finds.
- The full corporate picture. Shareholders, affiliates, related traders, and the terms on which you deal with them. An undisclosed related party found during verification damages the credibility of the whole submission, not just that line.
- Someone who owns the file. A named person inside the company, with authority over finance and production data, who can answer during the verification. A file assembled by whoever was available does not survive a week of questions.
Registration of imports, and why a measure can reach backwards
There is a step that catches companies who decide to push volume through while the investigation runs. The authority can order that imports of the product concerned be registered at the border. Registration does not collect anything by itself; it marks the consignments so that, if the definitive measure allows it, the duty can be applied to goods that were already imported during that period. The stock that was rushed in ahead of the measure then turns into a liability on the importer's books, and the importer turns to the supplier who encouraged the rush.
The decision that cannot be postponed
Everything described above depends on one choice made at the very beginning: to come forward, or not. The window for making yourself known opens with the notice of initiation and closes shortly after, and nothing later in the procedure reopens it. A producer who spends that window waiting to see whether the investigation is serious, or waiting for the industry association to decide, or waiting for a budget approval, has made the decision by default — and the default is the residual rate. It is, by a wide margin, the most expensive silence available in this business. What makes it so is the shape of the outcome: a producer named in the measure with a workable individual duty keeps its European customers, because the importer can calculate a landed cost and build a price on it, while a producer under the residual rate usually loses the account outright — not out of hostility, but because the arithmetic stops working. And the measure holds for a long cycle, changed afterwards only through review procedures.
Put a standing watch on the Union's official journal for your product category, and give one named person the authority to engage counsel on the day a notice appears, without a committee. Then do the groundwork now, while nothing is open: have costs per product that reconcile with the audited accounts, a sales listing that can be exported per transaction, and a written map of your related parties. A producer with those in hand can decide to participate in an afternoon. A producer without them spends the whole window building what it should already have had, and misses it.
Where to read it yourself
Official pages, opened and checked on 15 October 2026. Where a rule changes, these are the addresses that change with it — this article does not.