On the kitchen table sit the health insurance papers: the renewal letter, the premium statement and the 1095-A form that arrived with the taxes. For thousands of immigrant families who earn little but work from sunrise to sunset, the monthly Health Insurance Marketplace discount is the only thing standing between an affordable premium and an unaffordable one. This week, the IRS put on the table a proposal that could take away that discount starting in 2027.
What exactly the IRS is proposing
On October 14, 2026, the Treasury Department and the IRS published a proposed regulation (identified as REG-101576-26, RIN 1545-BS15) that implements the changes to the health insurance tax credit — the Premium Tax Credit — approved in the 2025 tax and spending law. The document was published in the Federal Register on October 15.
The central change for the immigrant community: eliminating the exception that today lets immigrants with lawful presence and household income below 100% of the federal poverty line claim the health insurance credit, when their immigration status keeps them out of Medicaid. Today that exception exists; the proposal would erase it for tax years starting in 2027.
The IRS presented the measure as an effort to strengthen verification and reserve the credit for those who qualify under federal law. But note the most important thing in this paragraph: this is a proposal, not a final rule. It’s still open to public comments.
Who would be affected
The affected group is specific: people with lawful presence in the country — not citizens, but not undocumented either — who earn little and cannot get into Medicaid because of their immigration status. Until now, those people could buy their plan on the Health Insurance Marketplace and receive the credit that lowers the premium each month.
The Congressional Budget Office (CBO) estimates that about one million immigrants with lawful presence would lose their coverage under the health care law due to these changes, and calculates a government savings of $91.4 billion over ten years. The KFF research center, meanwhile, estimates that the law’s combined changes would eliminate coverage for about 1.4 million legal immigrants across the various programs.
This is also the second wave of IRS rules in this direction: in August, the agency proposed limiting undocumented immigrants’ access to the refundable part of individual credits such as the Earned Income Tax Credit (EITC), the Additional Child Tax Credit and the American Opportunity Credit.
Not just them: two more changes in the same rule
The proposal brings two more changes that affect everyone who uses the Health Insurance Marketplace, not just immigrants:
- Stricter verification. For tax years after December 31, 2027, a month would only count as a coverage month for the credit if the marketplace (exchange) verifies the enrollment data: household income, family size, eligibility for other coverage and, when applicable, eligible immigration status.
- Goodbye to the repayment cap for excess advance credits. Today, if you received more advance credit than you were due, there are income-based caps on what you must pay back. The 2025 law removed those caps for tax years after December 31, 2025, and this rule puts that into practice: whoever got too much pays it all back. Treasury and the IRS estimate that about 3.7 million returns in 2028 will include repayment of excess advance credits.
The timeline: this is a proposal, not a law
Before any final rule takes effect, the process follows its course:
- November 30, 2026: deadline to submit public comments on the proposal.
- December 8, 2026: public telephone hearing scheduled by the IRS.
- 2027: the eligibility changes would start applying to tax years beginning that year.
None of this is final yet. Public comments can modify — or slow down — parts of the proposal before its final version.
What to do today, in order
- Don’t make panic decisions. The rule is proposed. If you have a 2026 Marketplace plan, your coverage and your credit continue under current rules.
- Enroll or review your 2027 plan on time. Health Insurance Marketplace open enrollment runs from November 1, 2026 to January 15, 2027; if you want coverage starting January 1, decide before December 15. The proposed changes don’t affect this year’s enrollment.
- Estimate your income carefully. With the end of the repayment cap for excess advance credits, misjudging your 2026 income can cost you when you file in 2027. Be realistic, not optimistic.
- Keep your status and income documents. Verification will be stricter: keep your immigration status papers, income proof and Form 1095-A handy when it arrives.
- Follow the comment process. If this rule affects you directly, community and health organizations are preparing comments; get informed and participate before November 30.
- If your income is very low, check Medicaid. Medicaid and CHIP accept applications year-round and don’t depend on open enrollment.
This content is informational and is not tax or legal advice. For your particular case, consult the official sources or an authorized professional.
Related reading
- Health Insurance Marketplace Open Enrollment 2027: Don’t Let Your Plan Auto-Renew
- Taxes section: deductions, credits and calculators
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