4418.99.10.00—Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, drilled or notched lumber studsGeneral
Free
Units
m3
Column 2
$1.70/m3
Special
Supplier development
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Tandom · Duty calculator
Tandom · AD/CVD catalog
HTS links are screening indicators. Review each order's written scope before deciding whether it may cover a shipment.
HTS 4418.99.10.00 is the U.S. Harmonized Tariff Schedule classification for Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, drilled or notched lumber studs. It's a 10-digit statistical line in Chapter 44: Wood and articles of wood; wood charcoal, Section IX: Wood and Articles of Wood; Wood Charcoal; Cork and Articles of Cork; Manufactures of Straw, of Esparto or of Other Plaiting Materials; Basketware and Wickerwork, used by U.S. Customs and Border Protection to determine the duty rate at entry. 1 Chapter 99 flag links to this code (1 expired), and 2 potentially relevant AD/CVD order flags link to this code. A Chapter 99 flag is not a shipment-level determination; origin, product facts, claims, and entry date control whether a provision applies.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 flags linked to this code; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.53.01 | otherExpired | 10% |
HTS-linked orders that may be relevant to imports under this code. An HTS link is a screening aid; actual coverage depends on each order's written product scope. Run the AD/CVD lookup → to check whether your specific shipment is in scope.
HTS 4418.99.10.00 is the U.S. Harmonized Tariff Schedule classification for Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, drilled or notched lumber studs. It belongs to Chapter 44 of the HTSUS.
The general (Column 1) duty rate for HTS 4418.99.10.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 4418.99.10.00 is $1.70/m3. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Belarus, Cuba, North Korea, and Russia).
Tandom links other provision 9903.53.01 to HTS 4418.99.10.00. Its published rate notation is 10%, and its status on 2026-09-26 is expired. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
Tandom links 2 potentially relevant AD/CVD order flags to this code: C-122-858 (CVD, Canada), A-122-857 (AD, Canada). An HTS link is a screening aid; review each order's written scope and linked case materials to determine whether a product is covered.
Tandom guides relevant to this code
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
Open resource
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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Drop the Tandom Duty Calculator API into a TMS, broker software, or in-house ERP. Code samples, the response shape, and ACE reporting order, in 2026.
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What changed April 6, 2026, what stayed the same, and how to file a steel, aluminum, or copper line in ACE without leaving duty exposure on the table.
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What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
Open resource