Trump tariffs still pose "huge uncertainty" after Supreme Court ruling, experts say

February 24, 2026

TL;DR

The Supreme Court ruled that the International Emergency Economic Powers Act (IEEPA) does not authorize the president to impose broad-based tariffs.
President Trump responded by invoking Section 122 of the Trade Act of 1974 to impose new duties, initially 10% and later 15%.
This ruling and subsequent actions create significant uncertainty for U.S. businesses and international trading partners.
Some nations are reconsidering trade deals due to the unpredictability of U.S. tariff policy.
The Section 122 tariffs are temporary and require Congressional extension after 150 days, posing a potential hurdle.
Experts believe the Trump administration will continue to pursue tariffs using various trade laws.
Despite the Supreme Court ruling, the "tariff question" is far from solved, with ongoing questions about levels, tools, and timing.
The effectiveness of tariffs in achieving goals like reviving U.S. manufacturing is being questioned, as manufacturing jobs have declined.
The Treasury Department may face refund requests for tariffs collected under IEEPA.

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