Vestager’s Crackdown on Belgian Tax Breaks Gets a Boost (1)

Margrethe Vestager, the European Union’s antitrust chief, got a boost in her bid to force Belgium to claw back about 800 million euros ($968 million) in tax breaks from dozens of companies including Anheuser-Busch InBev NV.

Advocate General Juliane Kokott of the EU Court of Justice said in a non-binding opinion on Thursday that a lower court should re-examine an earlier defeat for Vestager and issue a new ruling. The Luxembourg-based court follows such advice in a majority of cases.

Vestager has made the fight a linchpin of her tenure, irritating CEOs along the way. The Belgian case was ...