# HS code 2309.90: Preparations of a kind used in animal feeding

> HS code 2309.90 covers preparations of a kind used in animal feeding, other than those classified in 2309.10. It sits in heading 23.09 (preparations of a kind used in animal feeding) in chapter 23 (residues and waste from the food industries; prepared animal fodder). Other goods of heading 23.09 are classified under 2309.10 (dog or cat food, put up for retail sale). National tariff lines under 2309.90 are live on border.bot for the United States (23 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/230990
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 23](https://border.bot/hs-codes/23) / [23.09](https://border.bot/hs-codes/2309) / [2309.90](https://border.bot/hs-codes/230990)

## Key facts

- HS code: 2309.90
- Covers: Preparations of a kind used in animal feeding
- Heading: [23.09: Preparations of a kind used in animal feeding](https://border.bot/hs-codes/2309)
- Chapter: [23: Residues and waste from the food industries; prepared animal fodder](https://border.bot/hs-codes/23)
- Edition: HS2022
- Duty in the United States: [See its 23 lines](https://border.bot/countries/united-states/hs-codes/230990)

## What this code covers

HS code 2309.90 covers preparations of a kind used in animal feeding, other than those classified in 2309.10.

The legal text of the subheading is “Other”, in HS2022.

## What it doesn’t cover

Other goods of heading 23.09 are classified under 2309.10 (dog or cat food, put up for retail sale).

- [2309.10](https://border.bot/hs-codes/230910) Dog or cat food, put up for retail sale

## How it is structured

2309.90 is a six-digit subheading. Its first two digits, 23, are the chapter; the first four, 2309, are heading 23.09; the last two, 90, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 23: Residues and waste from the food industries; prepared animal fodder
- Heading 23.09: Preparations of a kind used in animal feeding
- Subheading 2309.90: Other

## In other countries

National tariff lines under 2309.90 are live on border.bot for the United States (23 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/230990): 23 lines, used by 1 other country

- Previous subheading: [2309.10](https://border.bot/hs-codes/230910) Dog or cat food, put up for retail sale
- Next subheading: [2401.10](https://border.bot/hs-codes/240110) Tobacco, not stemmed/stripped

## Frequently asked questions

### What does HS code 2309.90 cover?

HS code 2309.90 covers preparations of a kind used in animal feeding, other than those classified in 2309.10.

### Which heading and chapter is HS code 2309.90 in?

HS code 2309.90 is in heading 23.09 (preparations of a kind used in animal feeding) in chapter 23 (residues and waste from the food industries; prepared animal fodder).

### Where are goods of heading 23.09 classified when 2309.90 doesn’t fit?

Other goods of heading 23.09 are classified under 2309.10 (dog or cat food, put up for retail sale).

### Which countries’ tariffs list national lines under HS code 2309.90?

National tariff lines under 2309.90 are live on border.bot for the United States (23 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Machine-readable: https://border.bot/hs-codes/230990.json

## Common products under 2309.90

- [Cat food](https://border.bot/hs-codes/for/cat-food): HS 2309.10
- [Dog food](https://border.bot/hs-codes/for/dog-food): HS 2309.10