OECD – SIGNATORIES AND PARTIES TO THE MULTILATERAL CONVENTION TO IMPLEMENT TAX TREATY RELATED MEASURES TO PREVENT BASE EROSION AND PROFIT SHIFTING. Status as of 18 June 2019. This document contains a list of signatories and parties to the Multilateral Convention to Implement Tax Treaty Related Measures to Prevent Base Erosion and Profit Shifting. Under the provisions of the Convention, each jurisdiction is required to provide a list of reservations and notifications (the “MLI Position”) at the time of signature. The MLI Positions provided for each jurisdiction upon the deposit of the instrument of ratification, acceptance or approval and/or signature are available via the links below.