Import duty / Chapter 03 / Heading 0307
Heading 0307 covers 28 tariff lines in LoadLoom's table; 28 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 |
|---|---|---|---|---|
| 0307.11 | Molluscs; oysters, whether in shell or not, live, fresh or chilled | Free | 3% | Free with certificate |
| 0307.12 | Molluscs; oysters, whether in shell or not, frozen | Free | 2% | Free with certificate |
| 0307.19 | Molluscs; oysters, whether in shell or not, dried, salted or in brine, smoked, cooked or not before or during the smoking process | Free | 2% | Free with certificate |
| 0307.21 | Molluscs; scallops and other molluscs of the family Pectinidae, whether in shell or not, live, fresh or chilled | Free | Free | Free with certificate |
| 0307.22 | Molluscs; scallops and other molluscs of the family Pectinidae, whether in shell or not, frozen | Free | 4% | Free with certificate |
| 0307.29 | Molluscs; scallops and other molluscs of the family Pectinidae, whether in shell or not, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | 4% | Free with certificate |
| 0307.31 | Molluscs; mussels (Mytilus spp., Perna spp.), whether in shell or not, live, fresh or chilled | Free | Free | Free with certificate |
| 0307.32 | Molluscs; mussels (Mytilus spp., Perna spp.), whether in shell or not, frozen | Free | 4% | Free with certificate |
| 0307.39 | Molluscs; mussels (Mytilus spp., Perna spp.), whether in shell or not, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | 4% | Free with certificate |
| 0307.42 | Molluscs; cuttle fish and squid, whether in shell or not, live, fresh or chilled | Free | Free | Free with certificate |
| 0307.43 | Molluscs; cuttle fish and squid, whether in shell or not, frozen | Free | Free | Free with certificate |
| 0307.49 | Molluscs; cuttle fish and squid, whether in shell or not, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | Free | Free with certificate |
| 0307.51 | Molluscs; octopus (Octopus spp.), live, fresh or chilled | Free | Free | Free with certificate |
| 0307.52 | Molluscs; octopus (Octopus spp.), frozen | Free | Free | Free with certificate |
| 0307.59 | Molluscs; octopus (Octopus spp.), dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | Free | Free with certificate |
| 0307.60 | Molluscs; snails, other than sea snails, whether in shell or not, live, fresh, chilled, frozen, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | 5% | 4% | Free with certificate |
| 0307.71 | Molluscs; clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), whether in shell or not, live, fresh or chilled | Free | Free | Free with certificate |
| 0307.72 | Molluscs; clams, cockles, ark shells (Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), whether in shell or not, frozen | Free | 6.5% | Free with certificate |
| 0307.79 | Molluscs; clams, cockle, ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae, Veneridae), whether in shell or not, dried, salted, in brine, smoked | Free | 6.5% | Free with certificate |
| 0307.81 | Molluscs; abalone (Haliotis spp.), whether in shell or not, live, fresh or chilled | Free | Free | Free with certificate |
| 0307.82 | Molluscs; stromboid conchs (Strombus spp.), whether in shell or not, live, fresh or chilled | Free | Free | Free with certificate |
| 0307.83 | Molluscs; abalone (Haliotis spp.), whether in shell or not, frozen | Free | 4% | Free with certificate |
| 0307.84 | Molluscs; stromboid conchs (Strombus spp.), whether in shell or not, frozen | Free | 4% | Free with certificate |
| 0307.87 | Molluscs; abalone (Haliotis spp.), whether in shell or not, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | 4% | Free with certificate |
| 0307.88 | Molluscs; stromboid conchs (Strombus spp.), whether in shell or not, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | 4% | Free with certificate |
| 0307.91 | Molluscs; n.e.c. in heading 0307, whether in shell or not, live or fresh, chilled | Free | Free | Free with certificate |
| 0307.92 | Molluscs; n.e.c. in heading 0307, whether in shell or not, frozen | Free | 4% | Free with certificate |
| 0307.99 | Molluscs; n.e.c. in heading 0307, whether in shell or not, dried, salted, in brine, or smoked, cooked or not before or during the smoking process | Free | 4% | 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.
Duty, taxes and brokerage on your declared value in seconds.
Instant cross-border transport price, locked 30 days.
Chapter 03: Fish and crustaceans, molluscs and other aquatic invertebrates · Every chapter
