The bill proposes a new $6,000 per-person tax deduction for seniors. The maximum deduction starts phasing down once income surpasses $75,000 per person, or $150,000 for joint filers. Then it phases out completely once income crosses $175,000 per person or $250,000 per couple.

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.

Tax breaks in the megabill, like no taxes on tips and overtime, only apply to people at certain income levels.