It is extremely rare for significant legislation to be voted on without a score from the CBO.

Instead, senators could be asked to vote on the bill based on an analysis from the White House via the Department of Health and Human Services or the Office of Management and Budget…

It’s unclear whether Republican leaders would use the HHS or OMB analyses to encourage members to pass the motion to proceed or whether they might consider a more extreme break from tradition by using numbers from HHS or OMB instead of the CBO ahead of a final vote. The possibility of using a substitute for a CBO score was first reported by IJR, which cited concerns among GOP leadership that the CBO would take too long to release its score. A Republican source with knowledge of discussions said all options were on the table in deciding how to proceed toward a vote.