Import duty / Chapter 03 / Heading 0306
Heading 0306 covers 20 tariff lines in LoadLoom's table; 17 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 0306.11 | Crustaceans; frozen, rock lobsters and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.), in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | Free | 5% | Free with certificate |
| 0306.12 | Crustaceans; frozen, lobsters (Homarus spp.), in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | Free | 4% | Free with certificate |
| 0306.14 | Crustaceans; frozen, crabs, in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | 7.5% | 5% | Not eligible |
| 0306.15 | Crustaceans; frozen, Norway lobsters (Nephrops norvegicus), in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | Free | 5% | Free with certificate |
| 0306.16 | Crustaceans; frozen, cold-water shrimps and prawns (Pandalus spp., Crangon crangon), in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | Free | Free | Free with certificate |
| 0306.17 | Crustaceans; frozen, shrimps and prawns, excluding cold-water varieties, in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | Free | Free | Free with certificate |
| 0306.19 | Crustaceans; frozen, n.e.c. in item no. 0306.1, in shell or not, smoked, cooked or not before or during smoking; in shell, cooked by steaming or by boiling in water | Free | 5% | Free with certificate |
| 0306.31 | Crustaceans; live, fresh or chilled, rock lobsters and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.), in shell or not | Free | 5% | Free with certificate |
| 0306.32 | Crustaceans; live, fresh or chilled, lobsters (Homarus spp.), whether in shell or not | Free | Free | Free with certificate |
| 0306.33 | Crustaceans; live, fresh or chilled, crabs, whether in shell or not | 7.5% | 5% | Not eligible |
| 0306.34 | Crustaceans; live, fresh or chilled, Norway lobsters (Nephrops norvegicus), in shell or not | Free | 5% | Free with certificate |
| 0306.35 | Crustaceans; live, fresh or chilled, cold-water shrimps and prawns (Pandalus spp., Crangon crangon), in shell or not | Free | Free | Free with certificate |
| 0306.36 | Crustaceans; live, fresh or chilled, shrimps and prawns excluding cold-water varieties, in shell or not | Free | Free | Free with certificate |
| 0306.39 | Crustaceans; live, fresh or chilled, n.e.c. in item no. 0306.3, in shell or not | Free | 5% | Free with certificate |
| 0306.91 | Crustaceans; rock lobsters and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.), smoked, cooked or not, whether in shell or not, whether or not cooked before or during smoking | Free | 5% | Free with certificate |
| 0306.92 | Crustaceans; lobsters (Homarus spp.), smoked, cooked or not, whether in shell or not, whether or not cooked before or during smoking | Free | 4% | Free with certificate |
| 0306.93 | Crustaceans; crabs, smoked, cooked or not, whether in shell or not, whether or not cooked before or during smoking | 7.5% | 5% | Not eligible |
| 0306.94 | Crustaceans; Norway lobsters (Nephrops norvegicus), smoked, cooked or not, whether in shell or not, whether or not cooked before or during smoking | Free | 5% | Free with certificate |
| 0306.95 | Crustaceans; shrimps and prawns, smoked, cooked or not, whether in shell or not, whether or not cooked before or during smoking | Free | Free | Free with certificate |
| 0306.99 | Crustaceans; smoked, whole, cooked or not, n.e.c. in item no. 0306.9, in shell or not | Free | 5% | Free with certificate |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
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Chapter 03: Fish and crustaceans, molluscs and other aquatic invertebrates · Every chapter
