0307MOLLUSCS, WHETHER IN SHELL OR NOT, LIVE, FRESH, CHILLED, FROZEN, DRIED, SALTED OR IN BRINE; SMOKED MOLLUSCS, WHETHER IN SHELL OR NOT, WHETHER OR NOT COOKED BEFORE OR DURING THE SMOKING PROCESS
HSN heading 0307 falls under Chapter 03 — fish and crustaceans, molluscs and other aquatic invertebrates. It breaks down into 28 sub-codes listed below.
Sub-codes under 0307 (28)
030711
LIVE, FRESH OR CHILLED
030712
FROZEN
030719
OTHER
030721
LIVE, FRESH OR CHILLED
030722
FROZEN
030729
OTHER
030731
MUSSELS (MYTILUS SPP., PERNA SPP.) :
030732
LIVE, FRESH OR CHILLED
030739
Other
030742
LIVE, FRESH OR CHILLED:
030743
FROZEN:
030749
OTHER:
030751
LIVE, FRESH OR CHILLED
030752
FROZEN
030759
OTHER
030760
SNAILS, OTHER THAN SEA SNAILS
030771
LIVE, FRESH OR CHILLED
030772
FROZEN
030779
OTHER
030781
LIVE, FRESH OR CHILLED ABALONE (HALIOTIS SPP.)
030782
LIVE, FRESH OR CHILLED STROMBOID CONCHS (STROMBUS SPP.)
030783
FROZEN ABALONE (HALIOTIS SPP.)
030784
FROZEN STROMBOID CONCHS (STROMBUS SPP.)
030787
OTHER ABALONE (HALIOTIS SPP.)
030788
OTHER STROMBOID CONCHS (STROMBUS SPP.)
030791
LIVE, FRESH OR CHILLED
030792
FROZEN
030799
OTHER
About HSN heading 0307
The 4-digit code 0307 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 03, which covers fish and crustaceans, molluscs and other aquatic invertebrates.