Groundbreaking Swiss Supreme Court Decision on Tax Administrative Assistance—The End of ‘Foreseeable Relevance’?

On July 26, 2019, the Swiss Federal Supreme Court rendered a groundbreaking judgment in the field of administrative assistance in tax matters. Reversing a 2018 ruling of the Swiss Federal Administrative Court, the Supreme Court decided that information regarding tens of thousands of UBS account holders presumed to have tax residence in France could be transmitted to the French tax authorities. (...)