US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Chapter 31 · HTS release 2026HTSRev21

HTS 3102 Mineral or chemical fertilizers, nitrogenous

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general)
Free
Additional duty, main origins
0–25%
Statistical lines
11
Entry date shown
2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
OriginAdditional dutyMeasures
China25%Section 301
Mexico0%None
Canada0%None
Vietnam0%None
Germany0%None

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

  • 9903.88.03 Section 301

Every line, every origin, with citations

This page sums heading 3102 up. The duty for one line, origin and date comes from the duty engine:

  • Base rate plus each Chapter 99 line, in percent and in dollars
  • Citations to the Federal Register, CBP and the USITC, with the quoted text
  • The lines considered and not applied, and why
  • Any origin, any entry date from 2025-01-01 to 2026-10-09
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Lines in this heading

The 11 statistical lines of heading 3102

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

  • 3102.10.00.10Urea, whether or not in aqueous solution › Solid urea
  • 3102.10.00.30… › Other › Diesel exhaust fluid (DEF) of a kind meeting ISO 22241
  • 3102.10.00.50… › Other › Other
  • 3102.21.00.00Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate › Ammonium sulfate
  • 3102.29.00.00Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate › Other
  • 3102.30.00.00Ammonium nitrate, whether or not in aqueous solution
  • 3102.40.00.00Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances
  • 3102.50.00.00Sodium nitrate
  • 3102.60.00.00Double salts and mixtures of calcium nitrate and ammonium nitrate
  • 3102.80.00.00Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution
  • 3102.90.01.00Other, including mixtures not specified in the foregoing subheadings

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.