VOL. I · WASHINGTON TARIFF DECISION ASSISTANT · April 25, 2026
§ HARMONIZED TARIFF SCHEDULE · CHAPTER 31

Fertilizers.

This chapter covers 31 — Fertilizers.

肥料

HEADINGS
4
HS LINES INDEXED37
Section 301 attached
IEEPA attached
Reciprocal attached
YTD CHANGES0
LAST FED REG
§ §301 OVERLAY · ACTIVE This chapter has roughly 4 heading(s) tied to USTR Section 301 rules (9903.88.x series), affecting goods of China origin.

§ I · OVERVIEWWhat this chapter covers

This chapter covers 31 — Fertilizers.

Products of the chemical and allied industries — inorganic and organic chemicals, pharmaceuticals, fertilizers, dyes, cosmetics, soaps, photographic goods, and miscellaneous chemicals.

§ II · RATE TABLEColumn rates by heading

The table below lists every 4-digit heading under this chapter from the current snapshot. Click a code to drill in for sub-lines, Chapter 99 overlays, and Federal Register history.

CODE DESCRIPTION GENERAL SPECIAL COL. 2
3102 Mineral or chemical fertilizers, nitrogenous:
3103 Mineral or chemical fertilizers, phosphatic:
3104 Mineral or chemical fertilizers, potassic:
3105 Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg:

§ III · POLICY TIMELINERecent Federal Register notices affecting this chapter

Recent Federal Register notices that touch this chapter. For the complete cross-chapter feed, visit the Changes page.

No Federal Register documents in the current snapshot affect this chapter.