S. 137 · 114th Congress Taxpayer Protection and Preparer Proficiency Act of 2015 StageIn committee SponsorRon Wyden Introduced2015-01-08 Latest action2015-01-08 · Introduced in Senate Follow Summary Text Subjects Cosponsors (2) Votes (0) Actions Cosponsors (2) Barbara Mikulski Former member Senate MD Democrat Benjamin Cardin Former member Senate MD Democrat