This legislation aims to significantly broaden eligibility for Health Savings Accounts (HSAs) by amending the Internal Revenue Code of 1986. Currently, HSA eligibility is generally restricted to individuals enrolled in high-deductible health plans. The bill proposes to remove this restriction, making HSAs accessible to a much wider population. Under the proposed changes, an eligible individual for an HSA would simply be anyone covered under a covered health plan . This new definition of a "covered health plan" includes: any qualified health plan offered through a state or federal Exchange under the Affordable Care Act, and any group health plan as defined in the Public Health Service Act. These amendments effectively decouple HSA eligibility from the high-deductible health plan requirement, allowing individuals with various types of health insurance, including many employer-sponsored and marketplace plans, to contribute to HSAs. The bill includes numerous conforming amendments to replace references to "high deductible health plan" with "covered health plan" throughout the tax code, with changes effective for taxable years beginning after December 31, 2026.