In 1996, the US and Canada, which were worst affected by the ban, challenged it under the World Trade Organisation (WTO) dispute settlement system and were subsequently authorised to impose trade sanctions on EU produce worth respectively US $ 116.8 million and C $ 11.3 million a year.
ASV un Kanāda 1996. gadā apstrīdēja aizliegumu PTO strīdu izšķiršanas sistēmā, un pēc tam tām tika atļauts piemērot tirdzniecības sankcijas lauksaimniecības produktu importam no ES.