Press

TariffScope is a screening product of Site Wise Software Inc. (Victoria, BC). It is not a government calculator and not customs advice.

• US extra duty: 50% additional on listed Canadian-origin goods, 12:01 a.m. ET 22 August 2026.
• Proclamations 11046 (alcohol), 11047 (dairy), 11048 (motor-vehicle annex).
• Coverage: 554 official 8-digit HTS lines from White House Annex II.
• USMCA does not waive Section 338 on listed lines.
• Cheese heading 0406 is not on the dairy annex.
• Ordinary HTSUS descriptions and rates come from USITC 2026 Revision 16 — that schedule is not the 50% list.
• Canadian extra list: not published (expected 8 September 2026). CBSA T2026 is the ordinary schedule only.
• Matches from a product name without an HTS code are stamped probable only.
• Free screen: 25 SKUs. Paid Scan and Monitor plans are on the site.

Press contact: sean@sitewisesoftware.com