The news: The IRS and Treasury Department have proposed new rules that would strip the Premium Tax Credit — the federal subsidy that makes marketplace health insurance affordable — from certain lawfully present immigrants with incomes below the poverty line, starting in tax years beginning in 2027. The proposal (REG-101576-26; RIN 1545-BS15) was published in a Federal Register notice on Wednesday, October 14, 2026, reported by Bloomberg Tax, with additional reporting from the Financial Express.
The Congressional Budget Office estimates roughly 1 million lawfully present immigrants could lose coverage as a result, with the change expected to save about $91 billion over a decade. The rules are proposed, not final — they are open for public comment. Here's what the proposal does, who it touches, and what to do if you might be affected.
In this guide
What the IRS proposed
The Premium Tax Credit is a refundable federal credit that lowers the cost of health plans bought through HealthCare.gov or a state marketplace. Most people who use it take it in advance: you estimate your income when you enroll, and the government pays part of your premium directly to the insurer each month.
The October 14 proposal does two main things:
- Removes a long-standing exception. Until now, lawfully present immigrants with household income below 100% of the federal poverty level could still claim the credit if their immigration status made them ineligible for Medicaid. The proposal would eliminate that exception for tax years starting in 2027.
- Tightens verification before subsidies are paid. The rules add income and eligibility checks that plans must clear before advance payments go out, and strengthen eligibility standards overall. Treasury Secretary Scott Bessent said taxpayer-funded subsidies should go only to citizens, nationals, and certain lawfully present noncitizens.
Who would lose the subsidy
The proposal is targeted, not a blanket ban. It hits a specific group: lawfully present immigrants whose household income is below 100% of the federal poverty level and who cannot get Medicaid because of their immigration status. Under current law, this group can claim the Premium Tax Credit even though they sit below the usual income floor — because Medicaid, which would otherwise catch them, is not available to them.
For that group, losing the credit effectively removes the only affordable route to marketplace coverage. Without the advance subsidy, a marketplace plan's full monthly premium — often hundreds of dollars — would fall on households with the least income. Reporting notes the change could also reach some legal workers such as H-1B holders in low-income households, since the poverty-line test applies by income, not visa type. Employer-sponsored insurance is unaffected.
How big the impact could be
The numbers attached to the proposal are striking. The Congressional Budget Office estimates that about 1 million lawfully present immigrants are expected to lose coverage under the ACA because of the tax law's changes, with $91.4 billion in savings over the next decade. Healthcare think tank KFF puts the broader toll higher: the law overall is expected to eliminate coverage for 1.4 million legal immigrants.
This lands at a fragile moment for marketplace coverage. Open enrollment for 2027 starts November 1, 2026, and premiums are already rising sharply in many states — our Oregon rate analysis and Idaho rate breakdown show double-digit increases. Removing subsidies from the lowest-income enrollees on top of rising base premiums would push many off coverage entirely. If you want to see roughly what subsidies are worth at your income level before these rules take effect, try our health insurance subsidy estimator.
What it means for your coverage and wallet
Nothing changes overnight. The rules would apply to tax years beginning in 2027, and they are proposed, not final — the comment period and possible legal challenges could change the outcome. For 2026 coverage and the open enrollment starting November 1, current eligibility rules still apply.
But if you are in the affected group, the math is stark: the Premium Tax Credit is often the difference between a $50-a-month plan and a $400-a-month plan. Losing it entirely — rather than having it reduced — is the largest single cost change a household can face on the marketplace. It also raises a planning trap worth understanding now: the proposal tightens upfront verification, meaning applicants will face more documentation demands before advance subsidies are approved. Anyone buying a marketplace plan should expect stricter income and eligibility checks in 2027.
What to do now
- Don't skip 2027 open enrollment (Nov 1, 2026 – Jan 15, 2027). The rules are not final. Enroll under the current rules and claim the credit you qualify for this year.
- Check employer coverage. If anyone in your household has access to a job-based plan, compare its cost against the marketplace — employer plans are untouched by this proposal.
- Look at state programs. Some states run their own health programs or premium assistance for immigrants that federal rules can't reach. Check your state's marketplace and health department for options outside the federal credit.
- Watch the comment period. Proposed IRS rules take public comments before finalization. Advocacy groups for immigrants and health access will likely file — their guidance will be the best source for who exactly is affected once the rule is final.
- Don't guess on your tax return. When the rules are finalized, file with care: claiming a credit you no longer qualify for can mean repaying it. A tax preparer familiar with marketplace credits is worth the fee in 2027.
Frequently asked questions
Is the IRS rule already final?
No. The regulations were proposed on October 14, 2026 (REG-101576-26; RIN 1545-BS15) and are open for public comment. They would apply to tax years beginning in 2027 if finalized as proposed — meaning 2026 coverage and this year's open enrollment follow current rules.
Who exactly would lose the Premium Tax Credit?
Lawfully present immigrants with household income below 100% of the federal poverty level who cannot enroll in Medicaid because of their immigration status. Currently, an exception lets this group claim the credit despite being below the usual income floor; the proposal removes that exception.
How many people are expected to be affected?
The Congressional Budget Office estimates about 1 million lawfully present immigrants could lose ACA coverage because of the underlying law's changes, with $91.4 billion in federal savings over a decade. KFF estimates 1.4 million legal immigrants lose coverage overall under the law.
Where was this reported?
The proposal was reported October 14–15, 2026 by Bloomberg Tax and the Financial Express, based on the IRS and Treasury Department's Federal Register notice (REG-101576-26).