S. 174 · 114th Congress Stop Tax Haven Abuse Act StageIn committee SponsorSheldon Whitehouse Introduced2015-01-13 Latest action2015-01-13 · Introduced in Senate Follow Summary Text Subjects Cosponsors (4) Votes (0) Actions Cosponsors (4) Ed Markey Current member Senate MA Democrat Gary Peters Current member Senate MI Democrat Barbara Mikulski Former member Senate MD Democrat Jeanne Shaheen Current member Senate NH Democrat