This document contains temporary regulations that address transactions that are structured to avoid the purposes of sections 7874 and 367 of the Internal Revenue Code (the Code) and certain post- inversion tax avoidance transactions. These regulations affect certain domestic corporations and domestic partnerships whose assets are directly or indirectly acquired by a foreign corporation and certain persons related to such domestic corporations and domestic partnerships. The text of the temporary regulations also serves as the text of the proposed regulations set forth in the notice of proposed rulemaking on this subject in the Proposed Rules section of this issue of the Federal Register. The final regulations revise and add cross- references to coordinate the application of the temporary regulations.