In a letter dated 18 April 2016, several former U.S. Treasury Department officials urge current Treasury Secretary Jacob Lew to reconsider new regulations on inversions issued on 4 April ({News-2016-04-06/A/3- previous coverage}) and instead focus on reform of the U.S. tax code, including lower rates and a territorial system. The following is the full text of the letter. --- Dear Secretary Lew: As former Treasury Department officials, we urge you to reconsider the release on April 4 of temporary and proposed regulations aimed at preventing U.S. companies from merging with smaller foreign companies and adopting headquarters abroad -- a process...