The Senate parliamentarian has advised a key Medicaid provider tax overhaul that's central to President Donald Trump's big tax cut and spending bill does not adhere to procedural rules.

Key Medicaid provisions in President Trump's legislative package can't be protected from the Senate filibuster.

WASHINGTON—Several of Republicans’ largest proposed spending cuts can’t be done as written in the fast-track budget process they are using to advance their megabill, the Senate parliamentarian determined,