0505.10.00.55—Down
General
Free
Units
kg
Column 2
20%
Special
—
Tandom · Duty calculator
Want the landed cost for this product?
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
Plain-English explanation
HTS 0505.10.00.55 is the U.S. Harmonized Tariff Schedule classification for Down. It's a 10-digit statistical line in Chapter 05: Products of animal origin, not elsewhere specified, Section I: Live Animals; Animal Products, used by U.S. Customs and Border Protection to determine the duty rate at entry. 1 Chapter 99 tariff modification currently stacks on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Tariff modifications(1)
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.88.69 | section_301 | The duty provided in the applicable subheading |
Frequently asked questions
What is HTS code 0505.10.00.55?
HTS 0505.10.00.55 is the U.S. Harmonized Tariff Schedule classification for Down. It belongs to Chapter 05 of the HTSUS.
What is the general duty rate for HTS 0505.10.00.55?
The general (Column 1) duty rate for HTS 0505.10.00.55 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
What is the Column 2 (statutory) rate for HTS 0505.10.00.55?
The Column 2 rate for HTS 0505.10.00.55 is 20%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Are there Section 301 or Section 232 tariffs on HTS 0505.10.00.55?
Yes — HTS 0505.10.00.55 is covered by section_301 provision 9903.88.69 (The duty provided in the applicable subheading). Open the code page for the full overlay stack with effective dates and country scopes.
Does HTS 0505.10.00.55 have any antidumping or countervailing duty (AD/CVD) orders?
No active AD/CVD orders currently flag HTS 0505.10.00.55 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Learn more
Tandom guides relevant to this code
Section 301 China tariff exclusions in 2026
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
How Chapter 99 tariff layers stack on a single entry
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.
Open resource
How to calculate US import duties
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.
Open resource
Wire the Tandom Duty Calculator API into a TMS or broker software
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.
Open resource
Section 232 steel, aluminum, and copper duties in 2026
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.
Open resource
Trade compliance APIs in broker workflows
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