8431.39.00.10 · 2 recorded changes
HS 8431.39.00.10: duty-rate change timeline
Every change this site has recorded for HTS 8431.39.00.10, newest first, with the document behind each row. 2 of 2 rows state a rate.
· detected 2026-06-01T00:00:00Z
0.5% → 0.5%
Recorded values:
0.5% margin (2026-03881, 2026-02-26)→0.5% margin (2026-10866, 2026-06-01)the rate itself did not move.
· detected 2026-02-26T00:00:00Z
rate not stated → 0.5%
Recorded values:
rate not stated (2025-12947, 2025-07-11)→0.5% margin (2026-03881, 2026-02-26)the previous document does not state a rate.
Heading 8431 rate tableChapter 84Calculate duty for 8431.39.00.10All recorded changesWhat Pro adds
How a row gets here. We compare the published rate
columns and the Federal Register against yesterday's state and append a
row when something moves. Dates and values are copied from the scan's own
ledger — nothing on this page is recomputed for display.