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3808.99.30.00 · 5 recorded changes

HS 3808.99.30.00: duty-rate change timeline

Every change this site has recorded for HTS 3808.99.30.00, newest first, with the document behind each row. 1 of 5 rows state a rate; the rest are notices that restate an order without publishing one, and they say so instead of guessing.

  1. · detected 2026-05-13T00:00:00Z

    rate not stated

    Effective 2026-05-13 (Federal Register effective date) · AD/CVD rate · origin China

    Recorded values: rate not stated (2025-21219, 2025-11-26) → rate not stated (2026-09461, 2026-05-13)

    neither document states a deposit rate.

    Source: https://www.federalregister.gov/documents/2026/05/13/2026-09461/chlorinated-isocyanurates-from-the-peoples-republic-of-china-preliminary-results-and-rescission-in

  2. · detected 2026-02-13T00:00:00Z

    rate not stated

    Effective 2026-02-10 (Federal Register effective date) · AD/CVD rate · origin China

    Recorded values: rate not stated (2025-20158, 2025-11-18) → rate not stated (2026-02951, 2026-02-13)

    neither document states a deposit rate.

    Source: https://www.federalregister.gov/documents/2026/02/13/2026-02951/calcium-hypochlorite-from-the-peoples-republic-of-china-continuation-of-antidumping-and

  3. · detected 2026-02-13T00:00:00Z

    210.52% → rate not stated

    Effective 2026-02-10 (Federal Register effective date) · AD/CVD rate · origin China

    Recorded values: 210.52% margin (2025-19410, 2025-10-03) → rate not stated (2026-02951, 2026-02-13)

    the new document does not state a rate.

    Source: https://www.federalregister.gov/documents/2026/02/13/2026-02951/calcium-hypochlorite-from-the-peoples-republic-of-china-continuation-of-antidumping-and

  4. · detected 2025-11-26T00:00:00Z

    rate not stated

    Effective 2025-11-21 (Federal Register effective date) · AD/CVD rate · origin China

    Recorded values: rate not stated (2025-17454, 2025-09-11) → rate not stated (2025-21219, 2025-11-26)

    neither document states a deposit rate.

    Source: https://www.federalregister.gov/documents/2025/11/26/2025-21219/chlorinated-isocyanurates-from-the-peoples-republic-of-china-continuation-of-countervailing-duty

  5. · detected 2025-11-18T00:00:00Z

    rate not stated

    Effective 2025-11-18 (Federal Register effective date) · AD/CVD rate · origin China

    Recorded values: rate not stated (2020-14194, 2020-07-01) → rate not stated (2025-20158, 2025-11-18)

    neither document states a deposit rate.

    Source: https://www.federalregister.gov/documents/2025/11/18/2025-20158/calcium-hypochlorite-from-china-final-results-of-the-expedited-second-sunset-review-of-the

Heading 3808 rate tableChapter 38Calculate duty for 3808.99.30.00All 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.