U.S. Slaps New Duties on Canadian Mushrooms
Published Date: 5/18/2026
Notice
Summary
The U.S. says Canadian fresh mushroom growers got unfair government help in 2024, so it’s planning to add extra fees (countervailing duties) on their imports. This affects Canadian mushroom exporters and U.S. buyers, aiming to keep things fair and protect American businesses. The final decision will line up with related antidumping rules, with key updates starting May 18, 2026.
Analyzed Economic Effects
3 provisions identified: 0 benefits, 2 costs, 1 mixed.
Cash Deposits Required Starting May 18, 2026
Effective on publication (May 18, 2026), U.S. Customs and Border Protection will suspend liquidation of fresh mushroom entries from Canada and require cash deposits equal to the estimated subsidy rates. The deposit will be the company-specific rate (1.62% or 4.97%), the all-others rate (2.84%), or, if both producer and exporter have different company rates, the higher of the two.
Preliminary Subsidy Rates Set
The Department of Commerce preliminarily found countervailable subsidies for Canadian fresh mushroom producers for the period January 1, 2024 through December 31, 2024. Commerce set estimated countervailable subsidy rates of 1.62% for Champ's Fresh Farms Inc., 4.97% for Farmers' Fresh Mushrooms Inc., and an all-others rate of 2.84%.
Final Decision Aligned with Antidumping Case
Commerce will align the final countervailing duty determination with the companion less-than-fair-value (antidumping) final determination, and the final determinations will be issued on the same date currently scheduled no later than September 28, 2026. This sets the expected date for when final duties could be announced.
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Key Dates
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