1605.21.10

Analysis

HTS 1605.21.10 covers not in airtight containers: other under heading 1605 (crustaceans, molluscs and other aquatic invertebrates, prepared or preserved). US Customs collects import statistics for it under 3 ten-digit suffixes, reported in kilograms.

Within this group the rate runs from duty-free to 10%. Compared with 1605.56.15 (boiled clams, whether whole, minced or chopped, and whether or not…), which pays 10%, a misclassification either way moves the duty by 10 percentage points.

The normal trade relations rate here is zero, shared by about 46% of the 108 tariff lines in chapter 16, a useful check when a neighbouring dutiable line is a candidate. Free here means free of the base duty only: origin-specific Chapter 99 duties such as Section 301 can still be owed.

Census statistics map these goods to NAICS 114112 (Shellfish Fishing), an industry of 940 US establishments employing 1,604 people. That concordance is how imports of this line are compared with US output.

The ten-digit suffixes separate breaded and other, imported in accordance with…. The duty is the same across them; the suffix matters for statistics, licensing and some quotas, and an entry needs all ten digits.