Every change this site has recorded for HTS
2933.99.55.10, newest first, with the document behind each row.
3 of 8 rows state a rate; the rest are notices that restate an
order without publishing one, and they say so instead of guessing.
2026-10-05 · detected 2026-10-05T00:00:00Z
rate not stated
Effective 2026-10-02 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: rate not stated (2026-16052, 2026-08-06) → rate not stated (2026-20282, 2026-10-05)
neither document states a deposit rate.
Source: https://www.federalregister.gov/documents/2026/10/05/2026-20282/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-final-results-of-countervailing-duty
2026-08-06 · detected 2026-08-06T00:00:00Z
241.02% → rate not stated
Effective 2026-08-04 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: 241.02% margin (2026-11261, 2026-06-04) → rate not stated (2026-16052, 2026-08-06)
the new document does not state a rate.
Source: https://www.federalregister.gov/documents/2026/08/06/2026-16052/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-continuation-of-antidumping-duty-and
2026-08-06 · detected 2026-08-06T00:00:00Z
rate not stated
Effective 2026-08-04 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: rate not stated (2026-10357, 2026-05-26) → rate not stated (2026-16052, 2026-08-06)
neither document states a deposit rate.
Source: https://www.federalregister.gov/documents/2026/08/06/2026-16052/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-continuation-of-antidumping-duty-and
2026-06-04 · detected 2026-06-04T00:00:00Z
277.9% → 241.02%
Effective 2026-06-04 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: 277.9% margin (2026-10007, 2026-05-19) → 241.02% margin (2026-11261, 2026-06-04)
Source: https://www.federalregister.gov/documents/2026/06/04/2026-11261/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-preliminary-results-of-the
2026-05-26 · detected 2026-05-26T00:00:00Z
rate not stated
Effective 2026-05-26 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: rate not stated (2026-10006, 2026-05-19) → rate not stated (2026-10357, 2026-05-26)
neither document states a deposit rate.
Source: https://www.federalregister.gov/documents/2026/05/26/2026-10357/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-preliminary-results-and-rescission
2026-05-19 · detected 2026-05-19T00:00:00Z
rate not stated → 277.9%
Effective 2026-05-19 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: rate not stated (2025-10291, 2025-06-06) → 277.9% margin (2026-10007, 2026-05-19)
the previous document does not state a rate.
Source: https://www.federalregister.gov/documents/2026/05/19/2026-10007/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-final-results-of-the-expedited-first
2026-05-19 · detected 2026-05-19T00:00:00Z
rate not stated
Effective 2026-05-19 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: rate not stated (2026-04877, 2026-03-12) → rate not stated (2026-10006, 2026-05-19)
neither document states a deposit rate.
Source: https://www.federalregister.gov/documents/2026/05/19/2026-10006/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-final-results-of-the-expedited-first
2026-03-12 · detected 2026-03-12T00:00:00Z
rate not stated
Effective 2026-03-12 (Federal Register effective date) · AD/CVD rate · origin China
Recorded values: rate not stated (2025-12974, 2025-07-11) → rate not stated (2026-04877, 2026-03-12)
neither document states a deposit rate.
Source: https://www.federalregister.gov/documents/2026/03/12/2026-04877/certain-corrosion-inhibitors-from-the-peoples-republic-of-china-final-results-of-countervailing-duty