The US QI and FATCA regulations came into being in 2001 and 2010 respectively. They remain today the most challenging cross border tax regulations for financial institutions to comply with and operationalise. There is an increasing trend for financial institutions to become QIs while at the same time, the rules of the QI program become more complex and onerous. Equally, most NQIs have little idea that they are subject to these extra-territorial regulations. The US FATCA anti-tax evasion framework has also evolved through the development of intergovernmental agreements. These are complex and...