Canadian ministers are to unveil Canada's reply to US tariffs on Tuesday at 16:00BST/11:00EDT

Retaliation announcements of this kind follow a well-worn sequence: the targeted list, its product composition and dollar coverage, the effective date, and whether escalation clauses or off-ramps are attached. In prior tariff rounds between these two countries, the list has typically been drawn up for political salience as much as economic weight, hitting goods from sensitive constituencies, and CAD has tended to trade the escalation risk more than the direct trade-flow arithmetic. The distinction that matters is between a proportional, itemised response and a broader counter that includes energy or other hard-to-substitute exports, since the latter raises the stakes materially for the bilateral relationship and for the negotiation timeline. Canada has form here from earlier disputes, where retaliation was calibrated and paired with active diplomacy rather than open-ended escalation. What follows such announcements is usually a statement from Washington, which sets whether this becomes a tit-for-tat spiral or a negotiating round, and any signal on exemptions or consultation windows. The scheduled time gives the session a fixed catalyst, with positioning typically squared up ahead of the detail.