HTS 31
HTS 31 (Fertilizers) is a US import tariff classification. The duty rate varies by program and country of origin.
Schedule structure
Chapter 31
Chapters are 2-digit groupings at the top of the U.S. Harmonized Tariff Schedule. Goods are not classified at the chapter level — for U.S. customs entry, classification happens at the 8-digit tariff-line level. Drill into a heading (4-digit), then a subheading (6-digit), to find the tariff line that matches your goods.
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Frequently Asked
What is HTS 31?
HTS 31 covers fertilizers. It falls under Chapter 31 of the Harmonized Tariff Schedule of the United States.
What is the duty rate for HTS 31?
The base (MFN) duty rate for HTS 31 is .
Are there any exclusions for HTS 31?
Exclusions may apply depending on active Section 301 or Section 232 exclusion lists. Check the USTR exclusion portal or use TariffDesk to monitor this code for changes, including new exclusions.
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