Eyes on Senate referee ahead of tax bill vote

Squaring Off at the Parliamentarian

As the Senate races toward a vote on the GOP’s tax-and-spending package, tax-writing staff will have a busy Monday squaring off in front of the chamber’s Parliamentarian.

Senate Finance Committee Democrats planned to assert challenges to dozens of provisions in a process that goes full force Monday.

Democrats have telegraphed challenges to tax breaks for some guns and silencers, the Section 899 “revenge tax,” and Social Security number requirements for some tax credits. Pieces of clean-energy credit requirements are also vulnerable to challenge, as is the Republican plan to use the controversial “current policy” baseline ...