Yes, that case has been a significant development in tax law and corporate regulations. The European Union’s Court of Justice upheld a decision that the European Commission made in 2016, which ruled that Apple owed Ireland approximately $14 billion in back taxes. The Commission argued that Ireland had given Apple an unfair tax advantage through special arrangements, which violated EU state aid rules. Essentially, Apple was accused of paying substantially lower taxes than other businesses, which distorted competition in the EU.

This ruling has been seen as part of a broader crackdown by the EU on tax avoidance by multinational corporations. Apple and the Irish government both contested the ruling, with Ireland arguing that its tax system had been fair and compliant with international standards.

The case highlights tensions between the EU's approach to corporate taxation and the practices of multinational companies, especially American tech giants. It also illustrates the growing global debate around tax fairness and the role of governments in ensuring that large corporations pay their fair share.