Of the $16.4 billion annual Medicaid costs for Louisiana, state taxpayers kick in about $3 billion, according to the Legislature. The new law would halt some of the tools Louisiana uses to pay that $3 billion, requiring the state to pour in extra money or let some people go without health insurance.

The Senate has passed a $4.5 trillion tax cut bill after last-minute changes to its health care provisions, as Republicans scrambled to get their party on board.