HTS heading 0404 · Chapter 04

HTS 0404: Whey, whether or not concentrated or containing added…

HTS heading 0404 covers whey, whether or not concentrated or containing added sugar or other sweetening matter; products consisting of natural milk constituents, whether or not containing added sugar or other sweetening matter, not elsewhere specified or included. It has 13 tariff lines with a duty rate; the general (MFN) rates are 8.5% (2 lines), 13% (2 lines), 3.3¢/kg (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.

HTS code

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Country of origin

Customs value (USD)

Mode of transport

Entry date

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Tariff lines and duty rates

HTS code	Description	General	Special	Column 2	Estimate
0404.10	Whey and modified whey, whether or not concentrated or containing added sugar or other sweetening matter:
	Modified whey:
0404.10.05.00	Whey protein concentrates[kg, kg cmsc]	8.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	20%	Estimate →
	Other:
0404.10.08.00	Described in general note 15 of the tariff schedule and entered pursuant to its provisions[kg]	13%	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	20%	Estimate →
0404.10.11.00	Described in additional U.S. note 10 to this chapter and entered pursuant to its provisions[kg, kg cmsc]	13%	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	20%	Estimate →
0404.10.15.00	Other[kg, kg cmsc]	$1.035/kg + 8.5%	Free (BH,CL,JO,KR,MA,OM,P,PA,PE,SG) See 9822.04.25 (AU) See 9823.06.01-9823.06.09 (S+) See 9918.04.60, 9918.04.65 (CO)	$1.217/kg + 10%	Estimate →
	Other:
0404.10.20.00	Fluid[liters, kg cmsc]	0.34¢/liter	Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA, PE,S,SG)	0.5¢/liter	Estimate →
	Dried:
0404.10.48.00	Described in general note 15 of the tariff schedule and entered pursuant to its provisions[kg]	3.3¢/kg	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6.6¢/kg	Estimate →
0404.10.50	Described in additional U.S. note 12 to this chapter and entered pursuant to its provisions	3.3¢/kg	Free (A+,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6.6¢/kg
0404.10.50.10	Articles for which an import license is required[kg, kg cmsc]				Estimate →
0404.10.50.90	Other[kg, kg cmsc]				Estimate →
0404.10.90.00	Other[kg, kg cmsc]	87.6¢/kg	Free (BH,CL,CO,JO,KR,MA,OM,P,PA,PE,SG) See 9822.04.20 (AU) See 9823.06.01-9823.06.09 (S+)	$1.03/kg	Estimate →
0404.90	Other:
0404.90.10.00	Milk protein concentrates[kg, kg cmsc]	0.37¢/kg	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	12¢/kg	Estimate →
	Other:
	Dairy products described in additional U.S. note 1 to chapter 4:
0404.90.28.00	Described in general note 15 of the tariff schedule and entered pursuant to its provisions[kg]	14.5%	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%	Estimate →
0404.90.30.00	Described in additional U.S. note 10 to this chapter and entered pursuant to its provisions[kg, kg cmsc]	14.5%	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%	Estimate →
0404.90.50.00	Other[kg, kg cmsc]	$1.189/kg + 8.5%	Free (BH,CL,JO,KR,MA,OM,P,PA,PE,SG) See 9822.04.25 (AU) See 9823.06.01-9823.06.09 (S+) See 9918.04.60, 9918.04.66 (CO)	$1.399/kg + 10%	Estimate →
0404.90.70.00	Other[kg, kg cmsc]	8.5%	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	20%	Estimate →

15 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 0404.10.05.00 at the general rate of 8.5%, shipped by ocean, before any Chapter 99 tariffs:

Base duty (8.5%)	$850.00
Merchandise Processing Fee (0.3464%, min $34.58)	$34.64
Harbor Maintenance Fee (0.125%)	$12.50
Duty and fees	$897.14

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.

Frequently asked questions

What is the duty rate for HTS 0404?

Heading 0404 has 13 rate lines. The general (MFN) duty rates are 8.5% (2 lines), 13% (2 lines), 3.3¢/kg (2 lines), 14.5% (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 0404?

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 0404?

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.