US SB46

Removes the 400% of federal poverty level income cap for premium tax credit eligibility, allowing households above that threshold to qualify for subsidies when purchasing health insurance through marketplace exchanges

Establishes a sliding scale premium contribution structure: households up to 150% of poverty pay 0% of income toward premiums, scaling up to a maximum of 8.5% for those at 400% of poverty and above

Caps health insurance premium contributions at 8.5% of household income for all eligible taxpayers, regardless of how high their income exceeds 400% of poverty level

Amends Internal Revenue Code Section 36B to implement the expanded eligibility and revised premium percentage calculations

Takes effect for taxable years beginning after December 31, 2025