"To attach that to a measure that has to pass both houses by Tuesday of next week, frankly is an indication of a lack of seriousness on the part of our colleagues in the House," said Conrad. "[T]he balanced-budget amendment … can never pass the United States Senate, at least as it is constituted right now."

House Republicans indicated Friday morning that would link passage of a balanced-budget amendment to BoehnerJohn BoehnerLobbyists bounce back under Trump Business groups silent on Trump's Ex-Im nominee Chaffetz won't run for reelection MORE’s plan, which GOP lawmakers said would swing enough votes to allow passage of the measure later on Friday

"Speaker Boehner at this late hour is still pursuing a plan only on the Republican side of the aisle and only in one chamber," complained Conrad. "That can't possibly be a recipe for success."

It is "as deeply flawed as an amendment I have seen in 25 years in this chamber," Conrad added.