The authors are winners of the Mitchell B. Carroll Prize for the last two consecutive years, as awarded at the International Fiscal Association global congresses in 2023 and 2024 in Cancún (Mexico) and Cape Town (South Africa), respectively.*  The compatibility of the Undertaxed Profits Rule (UTPR) with tax treaties based on the OECD or the…

Mees Vergouwen[1] On 21 June 2023, the Netherlands and Belgium signed a new tax treaty.[2] Part of (the protocol to) this tax treaty is a subordination clause[3] that provides that “nothing in this treaty shall prevent the application (…) of Council Directive (EU) 2022/2523 of 14 December 2022 on ensuring a global minimum level of…