The issue under Biden was protectionist/preferential policies which were challenged and got changed through the dispute mechanism[2]. The changed policy was then disputed again but the US lost the dispute[3].
The US has never gotten close to surpassing the tariff-rate quotas so the tariffs haven't applied.[4] Though the American dairy industry claims that's because of further protectionist policies.[5]
I'm not an expert on this so if you have more specific information please share sources.
The issue under Biden was protectionist/preferential policies which were challenged and got changed through the dispute mechanism[2]. The changed policy was then disputed again but the US lost the dispute[3].
The US has never gotten close to surpassing the tariff-rate quotas so the tariffs haven't applied.[4] Though the American dairy industry claims that's because of further protectionist policies.[5]
I'm not an expert on this so if you have more specific information please share sources.
[1] https://ustr.gov/sites/default/files/files/agreements/FTA/US...
[2] https://ustr.gov/about-us/policy-offices/press-office/press-...
[3] https://ustr.gov/about-us/policy-offices/press-office/press-...
[4] https://www.yahoo.com/news/fact-check-trump-doesn-t-12005222...
[5] https://www.idfa.org/news/idfa-statement-on-potential-u-s-ta...