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Liquidation: the day the duty on an entry becomes final

Liquidation is US Customs' final computation of the duties, taxes and fees owed on an entry. Until it happens the figure on your entry summary is an estimate. Once it happens you have 180 days to protest, after which it is final and conclusive on everyone, the government included. An entry not liquidated within a year is deemed liquidated by law at the figure the importer declared.

Liquidation: The final computation and ascertainment by US Customs and Border Protection of the duties, taxes and fees owed on an entry. Notice of it is posted on cbp.gov, which is the legal evidence of liquidation; the electronic message sent to the filer is expressly a courtesy and not decisive.

What an entry's duty figure is worth, month by month The provisional period can be extended a year at a time to a maximum of three; what cannot move is the 180 days that start at the posting.

An import desk treats the duty line as settled the day the broker’s invoice is paid. US customs law does not. The figure on an entry summary is what the importer of record asserted; liquidation is when CBP says what it actually was, and until that happens the number in your costing is provisional in a way nobody tells you.

What liquidation decides

Liquidation fixes the value, the classification, the rate and the amount of duties, taxes and fees on one entry. Once it is done, 19 U.S.C. § 1514(a) closes the question for everyone:

shall be final and conclusive upon all persons (including the United States and any officer thereof) unless a protest is filed in accordance with this section

Read that list again: the United States is bound too. Finality cuts both ways, which is why it is the hinge on every refund, every post-entry correction and every duty dispute that ever reaches a court.

The three ways an entry liquidates

CBP liquidates it. The ordinary route: the agency computes the duty and posts the notice.

It liquidates itself. Under § 159.11(a), an entry not liquidated within one year from the date of entry is “deemed liquidated by operation of law at the rate of duty, value, quantity, and amount of duties asserted by the importer of record”. Silence from CBP for a year is not an oversight with no consequence. It is a decision, and it adopts whatever the importer declared.

The clock gets stopped. § 159.12 lets a Center director extend the year, one year at a time, when CBP needs information or the importer asks and shows good cause, up to a total of three years of extensions. Separately, § 159.12(a)(2) provides that the period “may be suspended as required by statute or court order”, which is the mechanism that holds millions of entries open when litigation is running against a tariff programme.

The notice is a web page, not an email

This is the part that catches desks, and it is stated plainly in the regulation. Under § 159.9(a) notice of liquidation “will be provided on CBP’s public Web site, www.cbp.gov”, and under § 159.9(c)(1) that electronic posting “will be deemed the legal evidence of liquidation”. The notice stays up for a minimum of fifteen months.

CBP will also try to send the filer and the surety a message. The regulation disclaims it in the same breath:

This notice will serve as an informal, courtesy notice and not as a direct, formal, and decisive notice of liquidation.

So the date your 180 days run from is published somewhere you have to go and check, and the thing that arrives in your inbox explicitly does not count. That is a coordination problem wearing a legal hat: nobody is obliged to tell you, the deadline runs anyway, and the consequence of missing it is that a wrong figure becomes right.

The 180 days, counted from the posting

§ 1514(c)(3)(A) gives 180 days from the date of liquidation or reliquidation to file a protest, for entries made on or after 18 December 2004. The clock starts at the posting date, not at the date you read it. A surety with an unsatisfied claim under its bond gets its own 180 days from the demand for payment. What those 180 days actually reach, who may file and on which form is the protest against a customs decision itself — and the list is wider than the classification argument it is usually spent on.

Reliquidation reopens the entry, but narrowly. § 1514(d): “The reliquidation of an entry shall not open such entry so that a protest may be filed against the decision of the Customs Service upon any question not involved in such reliquidation.”

Why a desk should care before the invoice arrives

Three live consequences, all of them dated:

Your landed cost is not final until liquidation is. The duty line in a costing signed off at clearance is the declared figure. If the assessed one differs, a refund or a bill arrives against a shipment you closed months ago. This is the case for landed cost tracking that stays open until liquidation rather than closing at the delivery order.
A deemed liquidation is a decision you did not make. If an entry goes quiet for a year and the declared figure was wrong in your favour, the error becomes permanent at the one-year mark unless somebody noticed.
The 180 days are not reminded. The entry summary is filed and forgotten; the liquidation posting is the event nobody has a calendar entry for. A payment calendar that tracks money owed to you as well as money you owe is the only place that date belongs.

The importer of record carries all of it. The broker files the entry; the liability, the protest right and the 180 days sit with the importer, and 19 CFR § 141.1(b)(1) makes that a personal debt that paying the broker does not discharge.

Questions traders ask

What is liquidation in customs?

The final computation of what an entry owes. When goods are entered the importer declares a value, a classification and a rate, and pays estimated duties; liquidation is the point at which CBP settles what the correct figure actually was. Until then the duty line on your entry summary is provisional. After it, under 19 U.S.C. 1514(a), the liquidation is final and conclusive upon all persons — the United States included, unless somebody protests in time.

How long does liquidation take?

One year is the outside limit unless the clock is extended or suspended. Under 19 CFR 159.11(a) an entry not liquidated within one year from the date of entry is deemed liquidated by operation of law at the rate, value, quantity and amount of duties the importer of record asserted. A Center director can extend that by a year at a time, to a maximum of three years of extensions, and the period can also be suspended by statute or court order.

How do I know an entry has liquidated?

You go and look. Under 19 CFR 159.9(a) and (c)(1) notice of liquidation is provided on cbp.gov, and the electronic posting there is the legal evidence of liquidation; the notice stays up for at least fifteen months. CBP also endeavours to send the filer and the surety an electronic courtesy notice, and the regulation is blunt about what that is worth: it serves as an informal, courtesy notice and not as a direct, formal, and decisive notice of liquidation.

How long do I have to protest a liquidation?

180 days from the date of liquidation or reliquidation, for an entry made on or after 18 December 2004, under 19 U.S.C. 1514(c)(3)(A). The clock runs from the posting date, not from the day you noticed. Miss it and the decision is final and conclusive on all persons unless one of the narrow exceptions applies: a voluntary reliquidation, a refund under 19 U.S.C. 1520, or a civil action in the Court of International Trade contesting a denied protest.

What is the difference between liquidation and reliquidation?

Liquidation is the first final computation; reliquidation is CBP going back and doing it again, whether voluntarily, on a granted protest, or because a court has ordered it. Reliquidation restarts a 180-day protest clock, but only on what was involved in it: 19 U.S.C. 1514(d) says a reliquidation does not open the entry to a protest on any question not involved in that reliquidation.

Why does liquidation matter for landed cost?

Because it is the date the duty line stops being an estimate. A landed cost figure signed off at clearance is built on declared duty; the assessed figure can differ, and a refund or a bill can land a year later against a cost you have already closed. Keeping the entry open in your own records until the liquidation posts is the only way the final number ever reconciles to the shipment it belongs to.

Related terms

Protest — The formal administrative objection to a decision of US Customs and Border Protection under section 514 of the Tariff Act of 1930, filed on CBP Form 19 or electronically within 180 days of the decision. It is the only route to reopen a liquidation an importer believes is wrong.
Entry Summary — The documentation or data filed with US Customs and Border Protection that enables it to assess duties, collect statistics on imported merchandise and determine whether other legal requirements are met. Normally CBP Form 7501, submitted through ACE within 10 working days of entry.
Importer of record — The party that makes customs entry for an import and carries the legal liability for the duties, taxes and fees on it. In US trade it must be the owner or purchaser of the merchandise, or a licensed customs broker appropriately designated by them.
Customs value — The value of imported goods on which customs duty is assessed. Under the WTO Valuation Agreement the primary basis is the transaction value — the price actually paid or payable for the goods when sold for export — adjusted by the additions listed in Article 8 and by no others.
Merchandise processing fee — A US customs user fee charged for processing an entry. On a formal entry it is an ad valorem fee of 0.3464 percent of the entered value, subject to a minimum and a maximum amount that CBP re-indexes for inflation each fiscal year, plus a surcharge on a manual entry.
Harbor maintenance fee — A US port use fee of 0.125 percent of the value of commercial cargo loaded on or unloaded from a commercial vessel at a port listed in the regulation. On imported cargo the importer is liable at the time of unloading, and the fee is shown and paid on the entry summary.
Landed cost — The total cost of a consignment delivered into the buyer's warehouse, combining the goods value with duty, freight, port and terminal charges, agent fees, inland transport, insurance, bank charges, inspection and any demurrage or detention.