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CSMS # 69606660 - GUIDANCE: Section 338 Additional Duties on Certain Goods of Canada
Published by U.S. Customs and Border Protection on August 21, 2026.
CBP cargo-systems message of August 21, 2026: 50 percent additional duty under HTSUS 9903.03.12 through 9903.03.14, and a 0 percent additional Section 338 rate under 9903.03.15 and 9903.03.16.
The recorded passage
9903.03.15: Articles of aluminum, of steel or of copper or derivative aluminum or steel articles
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Where we use it
- Canada's counter-tariffs on C$27.6 billion (about US$20 billion) of U.S. goods took effect September 8 · cited for CBP's August 21 heading rates: 50 percent additional on 9903.03.12 to 9903.03.14, 0 percent additional on 9903.03.15 and 9903.03.16
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- Text fingerprint (SHA-256)
b13eb15d0f3fca3d5ed9a34133daf83c1b5b46dc82eb0d840eb0f5efe8f76b52
Timeline entries this record anchors: CBP guidance on Section 338 heading rates.