S. 807 · 116th Congress COST Act StageIn committee SponsorJoni Ernst Introduced2019-03-14 Latest action2019-03-14 · Introduced in Senate Follow Summary Text Subjects Cosponsors (4) Votes (0) Actions Cosponsors (4) Mike Braun Former member Senate IN Republican David Perdue Former member Senate GA Republican James Lankford Current member Senate OK Republican Rand Paul Current member Senate KY Republican