This bill extends key provisions of the health insurance premium tax credit , aiming to broaden eligibility and enhance financial assistance for health insurance premiums. It specifically prolongs the rule that allows individuals with household incomes exceeding 400 percent of the federal poverty line to qualify for the credit, effectively removing the prior income cap. Additionally, the legislation extends the rules that increase premium assistance amounts , making health coverage more affordable for many Americans. The duration of these extensions is determined by an "applicable date," which is reached when the federal cost of these provisions is offset by revenue from tariffs imposed or increased after January 19, 2025. These amendments are scheduled to apply to taxable years beginning after December 31, 2025.