The US Department of Commerce has said it has concluded that meanings of Canadian softwood lumber are being unfairly subsidised.
In a statement unfettered on Thursday, it said efforts to reach a negotiated agreement with Canada bring into the world failed.
Canada called the decision on countervailing and anti-dumping duties on beams “unfair, unwarranted and deeply troubling”.
This is the latest salvo in a endless dispute between the two countries.
In a joint statement on Thursday, Canada’s Overseas Affairs Minister Chrystia Freeland and Natural Resources Minister Jim Carr voiced they “will forcefully defend” the domestic softwood lumber assiduity.
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“We are reviewing our options, including legal action through the North American Without Trade Agreement (Nafta) and the World Trade Organization, and we will not wait in taking action,” they said.
Softwood lumber products, adore pine, fir and spruce, are mainly used in the construction of single family quarters.
The US has claimed for decades that Canada is unfairly subsidising its lumber energy by charging minimal fees to log public lands.
Commerce Secretary Wilbur Ross said in a statement that the US cadavers committed to “free, fair and reciprocal trade with Canada”, and that the finding is based on “a full and unbiased review of the facts in an open and transparent proceeding”.
The department said it had determined that Canadian exporters have shopped softwood lumber to the US at 3.2-8.89% less than fair value.
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It also maintains that the country is providing unfair grants at rates from 3.34-18.19%.
The US Commerce Department valued softwood litter imports from Canada at C$7.6bn (US$5.6bn;£4.3bn) in 2016.
In June, Canada betokened C$867m (US$640m;£500m) in relief for the country’s lumber industry.
The aid took after the US first slapped hefty tariffs on the import of Canadian softwood wood in April.
The department announcement comes during a tense point in trilateral talks between Canada, the US and Mexico to renegotiate the North American Unfettered Trade Agreement.