Taxpayers will have to disclose reportable transactions under the mandatory disclosure regime (MDR) enacted as part of the Mexican tax reform on 9 December 2019, in early 2021. The MDR went into effect on 1 January 2020.ScopeAlthough the Organisation for Economic Co-operation and Development’s Base Erosion and Profit Shifting (BEPS) Actions are focused on international transactions, each country may incorporate internal mechanisms under which MDR reporting also covers domestic arrangements. A reportable transaction is a transaction in which a Mexican tax benefit is provided, and 1 of 14 stated hallmarks in the Mexican Federal Fiscal Code (MFFC) is met.Unlike MDRs in...