The Multilateral Convention to Implement Tax Treaty Related Measures to Prevent Base Erosion and Profit Shifting (MLI) entered into force for Portugal and Uruguay on 1 June 2020. With respect to the covered agreements (tax treaties) between Portugal and Uruguay and the other countries for which the MLI has already entered into force, the MLI is generally effective from 1 January 2021 in respect of withholding taxes and for taxable periods beginning on or after 1 December 2020 in respect of other taxes (six months after entry into force). However, solely for purposes of Uruguay's own application of the MLI...