Le projet de loi S.J.Res.43, Amendement constitutionnel sur le financement des campagnes, propose un amendement constitutionnel pour limiter l'argent dans les élections, permettre des distinctions entre les personnes physiques et les entités, et autoriser des interdictions sur certaines dépenses, tout en préservant la liberté de la presse. Il en est à l'étape Introduced depuis le 27 mars 2025. Parrainé par Jeanne Shaheen (Democratic), Alex Padilla (Democratic), Brian Schatz (Democratic), Chris Van Hollen (Democratic), Christopher Coons (Democratic), Raphael Warnock (Democratic), Amy Klobuchar (Democratic), Tina Smith (Democratic), Ron Wyden (Democratic), Jeff Merkley (Democratic), Sheldon Whitehouse (Democratic), Michael Bennet (Democratic), Richard Blumenthal (Democratic), Angus King (Independent), Mark Kelly (Democratic), Martin Heinrich (Democratic), Andy Kim (Democratic), Catherine Cortez Masto (Democratic), Charles Schumer (Democratic), Maggie Hassan (Democratic), Peter Welch (Democratic), Edward Markey (Democratic), Bernie Sanders (Independent), Patty Murray (Democratic), Kirsten Gillibrand (Democratic), Elizabeth Warren (Democratic), Tammy Duckworth (Democratic), Ruben Gallego (Democratic), Jacky Rosen (Democratic), John Reed (Democratic), Timothy Kaine (Democratic), Mazie Hirono (Democratic), Adam Schiff (Democratic), John Fetterman (Democratic), Gary Peters (Democratic), Richard Durbin (Democratic), Tammy Baldwin (Democratic), Ben Luján (Democratic), Mark Warner (Democratic), Cory Booker (Democratic), Elissa Slotkin (Democratic) et John Hickenlooper (Democratic).