Following the approval of the MLI in the Mexican Senate’s joint committee of the Ministries of Foreign Affairs and Treasury on 6 October 2022, the Senate fast-tracked the ratification process through a vote in a plenary session on 12 October.The ratification process of an international instrument does not require approval by both Chambers of Congress, so the only pending step is publication in the Official Gazette and subsequent deposit in the Organisation for Economic Co-operation and Development (OECD).On 12 October 2022, during its ordinary session, the Mexican Senate approved the Multilateral Instrument to implement Tax Treaty Related Measures to Prevent...