| Senate vote tally for roll call vote 231 on bill PN1683 |
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| Total absent for roll call 231 on bill PN1683 |
| show entire vote tally |
| Steve Daines | Not Voting | Republican - Montana |
| Cindy Hyde-Smith | Not Voting | Republican - Mississippi |
| Mitt Romney | Not Voting | Republican - Utah |
| Bernard Sanders | Not Voting | - Vermont |
| Roger Wicker | Not Voting | Republican - Mississippi |