The OECD G20 BEPS project sets out 15 actions, many of which require bilateral tax treaties to be changed. Given the sheer number of such treaties in effect, implementing these changes on a treaty-by-treaty basis would be burdensome and time-consuming. BEPS action 15 analyzed the possibility of developing a multinational instrument in order to allow contracting states of bilateral tax treaties to swiftly amend their treaties to implement the tax-treaty-related BEPS recommendations. An ad hoc group for the development of such an instrument was developed by the OECD Committee on Fiscal Affairs and endorsed by the G20 finance ministers and central bank governors in February 2015. More than 100 jurisdictions have developed this multilateral convention via negotiations, which is designed to transpose treaty-related results from the OECD/G20 BEPS project into more than 3,000 tax treaties. On November 24^th and 25^th, 2016, the multilateral instrument was adopted. As per December 31^st, 2016, the multilateral convention will be open for signature, and a first high-level signing ceremony will take place in June 2017. Transposing treaty-related BEPS measures into bilateral tax treaties will re...