President Donald Trump had previously set a July 4 deadline for Congress to pass his sweeping tax and spending package, known as the "One Big Beautiful Bill Act," and deliver it to his desk for signing.

Senate Parliamentarian Elizabeth MacDonough dealt big-time blows to GOP priorities this weekend when she ruled that chunks of President Trump's "big, beautiful bill" violate the chamber's rules. Why it matters: The so-called "Byrd bath" rulings further complicate Majority Leader John Thune's path to passing the mega tax and spending cut package by the White House's July 4 deadline.

Rep. Andy Harris (R-Md.), the chair of the conservative House Freedom Caucus, is staking opposition to the Senate’s version of the “big, beautiful bill,” spelling trouble for the legislation’s