The independent observatory for US trade — ship movements,
customs records and policy events, measured and tested.
What Canada actually pays on containing by weight more than 3 percent of calcium
Importers of HS 7202.21 (containing by weight more than 3 percent of calcium) from Canada actually paid 11.5% on the taxed portion of the value in 2026-06 — 0.01% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 1.1%. Over the window the rate on the taxed portion moved 1.5% → 11.5%, with the largest single step -36.5pp in 2025-09. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 1.1% — importers actually paid 11.5%, so the trade-war overlay added 10.4 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "7202.21", origin: "Canada") · see it at trimtabist.com/tariffs
HS 7202.21. The schedule base rate is
1.1%; importers from Canada actually paid 11.5% on the
dutiable value in 2026-06 — the trade-war overlay added 10.4 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 1.5% (2023-07) → 11.5% (2026-06), largest single step -36.5pp in 2025-09.
The trade-war measures that name Canada or this sector
15 Chapter-99 measures name Canada; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
Implementation of Duties on Aluminum Pursuant to Proclamation 10895 Adjusting Imports of Aluminum Into the Uni measure 9903.85.67 · Federal Register citation+200%
Procedures for Submissions by Certain Steel and Aluminum Producers Committing to New U.S. Steel or Aluminum… measure 9903.82.02 · Federal Register citation+50%
9903.82.14 measure 9903.82.14+50%
9903.01.16 measure 9903.01.16+40%
Notice of Implementation of Additional Duties on Products of Canada Pursuant to the President's Executive Orde measure 9903.01.10 · Federal Register citation+35%
Notice of Implementation of Additional Duties on Products of India Pursuant to the President's Executive Order measure 9903.01.84 · Federal Register citation+25%
Procedures for Submissions by Certain Steel and Aluminum Producers Committing to New U.S. Steel or Aluminum… measure 9903.82.04 · Federal Register citation+25%
In print: “What Canada actually pays on containing by weight more than 3 percent of calcium (HS 7202.21)” —
Trimtab US Trade Ledger (TT-010 Duty receipts), US Census imports-for-consumption records — trimtabist.com/tariff/720221/canada