HTS 31010000 — Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products
HTS 31010000 sits inside heading 3101 (“Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products”) of Chapter 31 — Fertilizers. For imports under this line, duty-free general treatment applies. No special-program overrides are listed for this line.
Tariff rates for 31010000
| Rate type | Rate | Notes |
|---|---|---|
| General (Column 1) | Free | Applies to countries without a preferential agreement (specific or compound basis). |
| Special | — | Reduced or free rates for designated program countries (see code legend on the USITC site). |
| Column 2 | Free | Statutory rate applied to the few economies without normal-trade-relations status. |
Reporting units
Entry summaries for 31010000 must be declared in: t (t = metric tons). A single quantitative measure accompanies the ad valorem component on the entry summary.
Frequently asked questions
What is the duty rate for HTS 31010000?
31010000 carries a Column 1 general rate of Free. The full official line, including special program rates and the Column 2 statutory rate, is reproduced above from the USITC schedule.
How do I classify 31010000 for US customs?
Classification follows the hierarchy shown in the breadcrumb above: Chapter 31, heading 3101, then this 8-digit statistical line. Confirm the tariff text matches your goods before entry; use our duty calculator to estimate landed cost including the Free general rate.
Is there a Section 301 tariff on 31010000?
Section 301 actions apply by exact HTS line. This page shows the permanent schedule rate (Free) for 31010000; check the current 301 annexes or our dedicated Section 301 tariffs guide to see whether trade-remedy duties stack on top for your origin country.
Related pages & tools
Data as of October 9, 2026 · Source: USITC Harmonized Tariff Schedule (line 3101.00.00.00). Rates are informational and not a binding customs ruling.