The Byrd Rule, adopted in 1985, is a procedural constraint named after the late Senator Robert C. Byrd of West Virginia to prohibit “extraneous” provisions from being tacked onto reconciliation bills, which are fast-tracked budget packages that allow legislation to pass with a simple majority, bypassing the 60-vote filibuster threshold.

President Trump's "Big, Beautiful Bill" has been watered down in the Senate, with key provisions that are vital to the White House's agenda stripped out of the legislation. One of the most significant components removed from the House version was a measure aimed at reining in federal judges,