Democrats announced that the Senate's top parliamentary referee determined the $1 billion ballroom funding did not meet budget rules. Sources indicate the ruling may force changes or a 60-vote threshold. Republicans planned revisions after the decision. Officials pointed to finding another route to authorize the ballroom project. Democrats cast the ruling as a setback for the Trump agenda. Supporters argued the ruling highlights reconciliation limits. The ruling reached lawmakers and staff late Saturday night. Observers caution that the path ahead is uncertain without revisions. Leaders aimed to salvage the plan by staying within rules.