Apple Inc.'s campus in Cork, Ireland, on June 4, 2013.
Aidan Crawley — Bloomberg via Getty Images
By Reuters
August 30, 2016

The European Commission will rule against Ireland’s tax dealings with Apple (aapl) on Tuesday, sources familiar with the decision told Reuters, one of whom said Dublin would be told to recoup over 1 billion euros in back taxes.

Commissioner Margrethe Vestager will hold a news conference on an antitrust case at noon (10:00 GMT) in Brussels. Though the subject of the case was not given, she was expected to detail her verdict on why a deal that encouraged the U.S. tech giant to route vast profits through Ireland had breached EU state aid laws barring governments giving some firms unfair advantages.

The ruling is likely to anger Washington, which has accused Brussels of campaigning against U.S. corporate success stories.

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The European Commission accused Ireland in 2014 of dodging international tax rules by letting Apple shelter profits worth tens of billions of dollars from tax collectors in return for maintaining jobs. Apple and Ireland rejected the accusation; both have said they will appeal any adverse ruling.

The source said the Commission will recommend a figure in back taxes that it expects to be collected, but it will be up to Irish authorities to calculate exactly what is owed.

A bill in excess of 1 billion euros ($1.12 billion) would be far more than the 30 million euros each the European Commission previously ordered Dutch authorities to recover from U.S. coffee chain Starbucks and Luxembourg from Fiat Chrysler for their tax deals.

Both companies and countries have appealed those decisions.

See also: Taiwan Wants Uber to Front the Bill in a Sales Tax Stand-Off

When it opened the Apple investigation in 2014, the Commission told the Irish government that tax rulings it agreed in 1991 and 2007 with the iPhone maker amounted to state aid and might have broken EU laws.

The Commission said the rulings were “reverse engineered” to ensure that Apple had a minimal Irish bill and that minutes of meetings between Apple representatives and Irish tax officials showed the company’s tax treatment had been “motivated by employment considerations.”

Apple employs 5,500 workers, or about a quarter of its European-based staff in the Irish city of Cork, where it is the largest private sector employer. It has said it paid Ireland’s 12.5% rate on all the income that it generates in the country.

See also: Here’s When Apple Is Officially Holding Its Next Big Event

Ireland’s low corporate tax rate has been a cornerstone of economic policy for 20 years, drawing investors from major multinational companies whose staff account for almost one in 10 workers in Ireland.

Some opposition Irish lawmakers have urged Dublin to collect whatever tax the Commission orders it to. But the main opposition party Fianna Fail, whose support the minority administration relies on to pass laws, said it would support an appeal based on the reassurances it had been given by the government to date.

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The U.S. Treasury Department published a white paper last week that said the EU executive’s tax investigations departed from international taxation norms and would have an outsized impact on U.S. companies. The Commission said it treated all companies equally.

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