HTS heading 2309 · Chapter 23
HTS 2309: Preparations of a kind used in animal feeding
HTS heading 2309 covers preparations of a kind used in animal feeding. It has 11 tariff lines with a duty rate; the general (MFN) rates are 7.5% (4 lines), Free (2 lines), 80.4¢/kg + 6.4% (2 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 2309.10.00 | Dog or cat food, put up for retail sale | Free | 10% | ||
| 2309.10.00.10 | In airtight containers[kg] | Estimate → | |||
| 2309.10.00.90 | Other[kg] | Estimate → | |||
| 2309.90 | Other: | ||||
| 2309.90.10 | Mixed feeds or mixed feed ingredients | Free | 10% | ||
| 2309.90.10.05 | Bird seed[kg] | Estimate → | |||
| 2309.90.10.15 | Other pet food, put up for retail sale[kg] | Estimate → | |||
| 2309.90.10.20 | Poultry feeds, prepared[t] | Estimate → | |||
| 2309.90.10.30 | Dairy cattle feed, prepared[t] | Estimate → | |||
| 2309.90.10.32 | Other cattle feed, prepared[t] | Estimate → | |||
| 2309.90.10.35 | Swine feed, prepared[t] | Estimate → | |||
| 2309.90.10.45 | Other livestock feed, prepared[t] | Estimate → | |||
| 2309.90.10.50 | Other[t] | Estimate → | |||
| Other: | |||||
| Animal feeds containing milk or milk derivatives: | |||||
| Containing over 10 percent by weight of milk solids: | |||||
| 2309.90.22 | Described in general note 15 of the tariff schedule and entered pursuant to its provisions | 7.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | |
| 2309.90.22.10 | Milk replacer[kg] | Estimate → | |||
| 2309.90.22.90 | Other[kg] | Estimate → | |||
| 2309.90.24 | Described in additional U.S. note 2 to this chapter and entered pursuant to its provisions | 7.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | |
| 2309.90.24.10 | Milk replacer[kg] | Estimate → | |||
| 2309.90.24.90 | Other[kg] | Estimate → | |||
| 2309.90.28 | Other | 80.4¢/kg + 6.4% | Free (BH,CL,CO,JO,KR,MA,OM,P,PA,PE,SG) See 9822.04.20 (AU) See 9823.05.01-9823.05.06 (S+) | 94.6¢/kg + 7.5% | |
| 2309.90.28.10 | Milk replacer[kg] | Estimate → | |||
| 2309.90.28.90 | Other[kg] | Estimate → | |||
| Other: | |||||
| 2309.90.42 | Described in general note 15 of the tariff schedule and entered pursuant to its provisions | 7.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | |
| 2309.90.42.10 | Milk replacer[kg] | Estimate → | |||
| 2309.90.42.90 | Other[kg] | Estimate → | |||
| 2309.90.44 | Described in additional U.S. note 2 to this chapter and entered pursuant to its provisions | 7.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | |
| 2309.90.44.10 | Milk replacer[kg] | Estimate → | |||
| 2309.90.44.90 | Other[kg] | Estimate → | |||
| 2309.90.48 | Other | 80.4¢/kg + 6.4% | Free (BH,CL,CO,JO,KR,MA,OM,P,PA,PE,SG) See 9822.04.20 (AU) See 9823.05.01-9823.05.06 (S+) | 94.6¢/kg + 7.5% | |
| 2309.90.48.10 | Milk replacer[kg] | Estimate → | |||
| 2309.90.48.90 | Other[kg] | Estimate → | |||
| Other: | |||||
| 2309.90.60.00 | Animal feeds containing egg[kg] | 1.9% | Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA,PE,S, SG) | 20% | Estimate → |
| Other: | |||||
| 2309.90.70.00 | Preparations, with a basis of vitamin B12, for supplementing animal feed[kg] | 1.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | Estimate → |
| 2309.90.95.00 | Other[kg] | 1.4% | Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA,PE,S, SG) | 20% | Estimate → |
33 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 2309.90.22 at the general rate of 7.5%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (7.5%) | $750.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $797.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Duty by country of origin
Frequently asked questions
What is the duty rate for HTS 2309?
Heading 2309 has 11 rate lines. The general (MFN) duty rates are 7.5% (4 lines), Free (2 lines), 80.4¢/kg + 6.4% (2 lines), 1.4% (2 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 2309?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 2309?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.