This Alert has been revised from its original release on 5 October 2021.
Executive summary
On 28 September 2021, Spain deposited its instrument of ratification of the Multilateral Convention to Implement Tax Treaty Measures to Prevent Base Erosion and Profit Shifting (the MLI or the Convention) with the Organisation for Economic Co-operation and Development (OECD).
The provisions included in the MLI will have a significant impact on the vast majority of the treaties in the Spanish tax treaty networ…