United States S 4639: A bill to provide additional support to whistleblowers who report information about noncompliance with Federal tax laws.
Status: Introduced in Senate (as of 2026-05-21)
State: United States · Session: 119 · Bill: S 4639
Sponsors: Chuck Grassley, Ron Wyden
View United States S 4639 on LegisTrack → — full text, sponsors, votes, campaign finance, and cross-state matches.