Canada's counter-tariffs on United States-origin construction inputs took effect at 12:01 a.m. on September 8, 2026. LDCA members get a continuously updated breakdown of what changed, who's affected, what to do about it, and a searchable 483-item tariff lookup tool — here's a look at what's inside.
This is general information, not legal, tax or customs advice. For anything specific to a purchase, tender or contract, get advice from qualified construction counsel and, on customs questions, a licensed customs broker.
LDCA members have access to a full, continuously updated Tariffs & Trade resource — currently at Rev 4.0, issued September 15, 2026. Here's a real preview of what's behind the members-only page.
🔒 Members only
What's New at Rev 4.0
The model contract clause is now finalized, the source register has been corrected, and a new American-side development is tracked — without changing any Canadian rate.
This page is general information only, not legal, tax or customs advice. For guidance specific to a purchase, tender or contract, consult qualified construction counsel and, on customs questions, a licensed customs broker.