S. 684 · 119th Congress Tax Administration Simplification Act StageIn committee SponsorMarsha Blackburn Introduced2025-02-24 Latest action2025-02-24 · Introduced in Senate Follow Summary Text Subjects Cosponsors (2) Votes (0) Actions Cosponsors (2) Raphael Warnock Current member Senate GA Democrat Catherine Cortez Masto Current member Senate NV Democrat