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| Edward Markey | Sponsor |
| Alejandro Padilla | Co-sponsor |
| Amy Klobuchar | Co-sponsor |
| Andy Kim | Co-sponsor |
| Bernard Sanders | Co-sponsor |
| Brian Schatz | Co-sponsor |
| Charles Schumer | Co-sponsor |
| Chris Van Hollen | Co-sponsor |
| Christopher Coons | Co-sponsor |
| Christopher Murphy | Co-sponsor |
| Cory Booker | Co-sponsor |
| Elizabeth Warren | Co-sponsor |
| John Reed | Co-sponsor |
| Kirsten Gillibrand | Co-sponsor |
| Mazie Hirono | Co-sponsor |
| Peter Welch | Co-sponsor |
| Richard Blumenthal | Co-sponsor |
| Richard Durbin | Co-sponsor |
| Ron Wyden | Co-sponsor |
| Sheldon Whitehouse | Co-sponsor |
| Tammy Baldwin | Co-sponsor |
| Tammy Duckworth | Co-sponsor |
| Timothy Kaine | Co-sponsor |
| Tina Smith | Co-sponsor |