In this fourth part in a series of reports on state aid, Mason focuses on the element of “advantage” in EU state aid law, and she criticizes the European Commission's doctrinal approach to identifying advantages for state aid purposes. In particular, this article addresses the divergence...

In this report, the second in a series of reports on EU state aid, Mason evaluates the claims Treasury' made in its White Paper that recovery in the recent tax ruling cases would violate taxpayers' legitimate expectations that those rulings did not constitute state aid

In this report, the first in a series of reports on EU state aid, Mason provides background on state aid law as it applies to income taxes, including the legal standard, recovery mechanism, and case selection by the Commission

This National Report was prepared for the 2014 Annual Congress of the European Association of Tax Law Professors, which took place in May 2014 at Koç University, Istanbul, Turkey. This National Report discusses administrative and legal mechanisms, especially the Foreign Account Tax Compliance...

The Foreign Account Tax Compliance Act (FATCA) represents a powerful response by the United States to flagrant offshore tax evasion. Although the new reporting regime has been criticized as unilateral and extraterritorial, this short article, prepared for a symposium hosted by Pepperdine Law...

The Treasury regulations at issue in Altera Corp. v. Commissioner condition the validity of controlled taxpayers' income allocation under a cost-sharing agreement upon the requirement that the controlled parties share all costs, including stock-based compensation costs, proportionately with the...