A bill to close loopholes, increase transparency, and improve the effectiveness of sanctions on Iranian trade in petroleum products.

Marco Rubio

Former member Senate FL Republican

John Barrasso

Current member Senate WY Republican

Mark Begich

Former member Senate AK Democrat

Michael Bennet

Current member Senate CO Democrat

Maria Cantwell

Current member Senate WA Democrat

John Cornyn

Current member Senate TX Republican

Mike Crapo

Current member Senate ID Republican

Kirsten Gillibrand

Current member Senate NY Democrat

Dean Heller

Former member Senate NV Republican

John Hoeven

Current member Senate ND Republican

Jon Kyl

Former member Senate AZ Republican

Mary Landrieu

Former member Senate LA Democrat

Richard Lugar

Former member Senate IN Republican

Bob Menendez

Former member Senate NJ Democrat

Rob Portman

Former member Senate OH Republican

James Risch

Current member Senate ID Republican

David Vitter

Former member Senate LA Republican