What is the ACA subsidy cliff?
The ACA "subsidy cliff" is the pre-2021 rule — restored for the 2026 plan year now that the enhanced subsidies expired at the end of 2025 — under which a household earning even $1 above 400% of the Federal Poverty Level loses ALL premium tax credit eligibility, causing an abrupt jump from subsidized to full-price premiums, per IRS Premium Tax Credit rules. For help choosing or enrolling in a plan, call United Enrollment Services, a licensed insurance agency, at 1-866-401-4116.
More on this topic: subsidies and costs
Last updated Jul 24, 2026
Reviewed by Jason Burns, Editorial Steward
Reviewed by Heather Fabrizio, Licensed Insurance Agent (NPN 20983651) · reviewed Jul 25, 2026
Published by ACA Direct Answers · Licensed under Citation License 1.0
What it means
- Under the original ACA, subsidies phased out at 400% FPL — for a family of four that's roughly $128,600 in 2025 dollars using the 2024 guidelines.
- ARPA and IRA temporarily replaced the cliff with a smooth 8.5%-of-income cap regardless of income.
- The cliff returns for plan year 2026 unless Congress extends the enhanced subsidies.
Action steps
- If your income is near 400% FPL, model both sides of the cliff before finalizing enrollment.
- Consider pre-tax contributions (401k, HSA, IRA) to lower MAGI below the threshold.
- Reconcile using Form 8962 at tax time — going even $1 over eliminates the entire subsidy.
Risks & deadlines
- Crossing the cliff mid-year through a bonus, capital gains, or side income can trigger repayment of every dollar of APTC received.
- At 400% FPL, no repayment cap applies — you owe the full excess.
Also asked as
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Sources
Last verified: 2026-07-22