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HTS heading 0306 · Chapter 03

HTS 0306: Crustaceans, whether in shell or not, live, fresh,…

HTS heading 0306 covers crustaceans, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked crustaceans, whether in shell or not, whether or not cooked before or during the smoking process; crustaceans, in shell, cooked by steaming or by boiling in water, whether or not chilled, frozen, dried, salted or in brine. It has 23 tariff lines with a duty rate; the general (MFN) rates are Free (20 lines), 7.5% (3 lines).

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.

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Tariff lines and duty rates

HTS codeDescriptionGeneralSpecialColumn 2Estimate
Frozen:
0306.11.00Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)FreeFree
0306.11.00.10Caribbean spiny lobster (Panulirus argus)[kg]Estimate →
0306.11.00.20Other[kg]Estimate →
0306.12.00Lobsters (Homarus spp.)FreeFree
In airtight containers:
0306.12.00.10In brine[kg]Estimate →
0306.12.00.30Other[kg]Estimate →
Other:
0306.12.00.50In brine[kg]Estimate →
0306.12.00.70Other[kg]Estimate →
0306.14Crabs:
0306.14.20.00Crabmeat[kg]7.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15%Estimate →
0306.14.40OtherFreeFree
King crab:
0306.14.40.03Red king crab (Paralithodes camtschaticus)[kg]Estimate →
0306.14.40.06Blue king crab (Paralithodes platypus)[kg]Estimate →
0306.14.40.09Golden/brown king crab (Lithodes aequispinus)[kg]Estimate →
0306.14.40.12Southern red santolla king crab (Lithodes santolla formerly L. antarcticus)[kg]Estimate →
0306.14.40.15Other[kg]Estimate →
0306.14.40.20Snow crab[kg]Estimate →
0306.14.40.30Dungeness crab[kg]Estimate →
0306.14.40.90Other[kg]Estimate →
0306.15.00.00Norway lobsters (Nephrops norvegicus)[kg]FreeFreeEstimate →
0306.16.00Cold-water shrimps and prawns (Pandalus spp., Crangon crangon)FreeFree
Shell-on, imported in accordance with statistical note 1 to this chapter:
0306.16.00.03Count size (headless weight) less than 33 per kg (15s)[kg]Estimate →
0306.16.00.06Count size (headless weight) 33-45 per kg (15-20s)[kg]Estimate →
0306.16.00.09Count size (headless weight) 46-55 per kg (21-25s)[kg]Estimate →
0306.16.00.12Count size (headless weight) 56-66 per kg (26-30s)[kg]Estimate →
0306.16.00.15Count size (headless weight) 67-88 per kg (31-40s)[kg]Estimate →
0306.16.00.18Count size (headless weight) 89-110 per kg (41-50s)[kg]Estimate →
0306.16.00.21Count size (headless weight) 111-132 per kg (51-60s)[kg]Estimate →
0306.16.00.24Count size (headless weight) 133-154 per kg (61-70s)[kg]Estimate →
0306.16.00.27Count size (headless weight) more than 154 per kg (70s)[kg]Estimate →
0306.16.00.40Peeled, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.17.00Other shrimps and prawnsFreeFree
Shell-on, imported in accordance with statistical note 1 to this chapter:
Farmed:
0306.17.00.04Count size (headless weight) less than 33 per kg (15s)[kg]Estimate →
0306.17.00.05Count size (headless weight) 33-45 per kg (15-20s)[kg]Estimate →
0306.17.00.07Count size (headless weight) 46-55 per kg (21-25s)[kg]Estimate →
0306.17.00.08Count size (headless weight) 56-66 per kg (26-30s)[kg]Estimate →
0306.17.00.10Count size (headless weight) 67-88 per kg (31-40s)[kg]Estimate →
0306.17.00.11Count size (headless weight) 89-110 per kg (41-50s)[kg]Estimate →
0306.17.00.13Count size (headless weight) 111-132 per kg (51-60s)[kg]Estimate →
0306.17.00.14Count size (headless weight) 133-154 per kg (61-70s)[kg]Estimate →
0306.17.00.16Count size (headless weight) more than 154 per kg (70s)[kg]Estimate →
Not farmed:
0306.17.00.17Count size (headless weight) less than 33 per kg (15s)[kg]Estimate →
0306.17.00.19Count size (headless weight) 33-45 per kg (15-20s)[kg]Estimate →
0306.17.00.20Count size (headless weight) 46-55 per kg (21-25s)[kg]Estimate →
0306.17.00.22Count size (headless weight) 56-66 per kg (26-30s)[kg]Estimate →
0306.17.00.23Count size (headless weight) 67-88 per kg (31-40s)[kg]Estimate →
0306.17.00.25Count size (headless weight) 89-110 per kg (41-50s)[kg]Estimate →
0306.17.00.26Count size (headless weight) 111-132 per kg (51-60s)[kg]Estimate →
0306.17.00.28Count size (headless weight) 133-154 per kg (61-70s)[kg]Estimate →
0306.17.00.29Count size (headless weight) more than 154 per kg (70s)[kg]Estimate →
Peeled, imported in accordance with statistical note 1 to this chapter:
0306.17.00.41Farmed[kg]Estimate →
0306.17.00.42Not farmed[kg]Estimate →
0306.19.01OtherFreeFree
0306.19.01.10Freshwater crawfish[kg]Estimate →
0306.19.01.30Antarctic krill (Euphausia superba)[kg]Estimate →
0306.19.01.61Other[kg]Estimate →
Live, fresh or chilled:
0306.31.00.00Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)[kg]FreeFreeEstimate →
0306.32.00Lobsters (Homarus spp.)FreeFree
0306.32.00.10Live[kg]Estimate →
0306.32.00.90Other[kg]Estimate →
0306.33Crabs:
0306.33.20.00Crabmeat[kg]7.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15%Estimate →
0306.33.40.00Other[kg]FreeFreeEstimate →
0306.34.00.00Norway lobsters (Nephrops norvegicus)[kg]FreeFreeEstimate →
0306.35.00Cold-water shrimps and prawns (Pandalus spp., Crangon crangon)FreeFree
0306.35.00.20Shell-on, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.35.00.40Peeled, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.36.00Other shrimps and prawnsFreeFree
0306.36.00.20Shell-on, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.36.00.40Peeled, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.39.01.00Other[kg]FreeFreeEstimate →
Other:
0306.91.00.00Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)[kg]FreeFreeEstimate →
0306.92.00.00Lobsters (Homarus spp.)[kg]FreeFreeEstimate →
0306.93Crabs:
0306.93.20.00Crabmeat[kg]7.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15%Estimate →
0306.93.40.00Other[kg]FreeFreeEstimate →
0306.94.00.00Norway lobsters (Nephrops norvegicus)[kg]FreeFreeEstimate →
0306.95.00Shrimps and prawnsFreeFree
0306.95.00.20Shell-on, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.95.00.40Peeled, imported in accordance with statistical note 1 to this chapter[kg]Estimate →
0306.99.01.00Other[kg]FreeFreeEstimate →

78 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 0306.14.20.00 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 0306?

Heading 0306 has 23 rate lines. The general (MFN) duty rates are Free (20 lines), 7.5% (3 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 0306?

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 0306?

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.