As previously reported, U.S. Senator Mike Crapo (R-ID), Ranking Member of the Senate Finance Committee, recently sent a letter to U.S. Department of Treasury Secretary Janet Yellen outlining priorities and raising questions regarding Treasury's approach to international tax negotiations with the OECD. Secretary Yellen's letter in response, dated 4 June 2021, is as follows: --- Dear Senator Crapo: Thank you for your May 24, 2021 letter regarding the Biden-Harris Administration's proposals in the international tax negotiations at the Organization for Economic Cooperation and Development (OECD). Because these negotiations are ongoing, I believed it was important to respond to you as...