How to Handle Form 1095-A When Married Filing Separately

When spouses file separately, Form 1095-A must be split 50/50 between the two returns, and in almost every case the spouse who received advance premium tax credits will have to pay back their entire allocated share as additional tax. Federal law only lets married couples claim the premium tax credit on a joint return, so choosing Married Filing Separately generally forfeits the credit and turns any advance payments into a repayment. A couple of narrow exceptions preserve eligibility, and starting in 2026 the repayment caps that used to soften this outcome are gone.

How the 50/50 Allocation Works on Form 8962

Form 1095-A reports three monthly numbers: enrollment premiums in Column A, the second-lowest-cost silver plan premium in Column B, and advance premium tax credit (APTC) paid in Column C.¹ Married couples filing separately do not get to choose an allocation method. The split is a mandatory 50/50, and both spouses must file their own Form 8962. The IRS cross-checks the two returns, so the halves have to line up.

Exactly what you enter on Form 8962 depends on whether you qualify for one of the exceptions below.

If You Qualify for an Exception

Allocate 50% of the enrollment premiums (Column A) and 50% of the APTC (Column C) to each spouse. Do not allocate Column B. Instead, each spouse looks up the applicable silver plan premium for their own coverage family and enters that figure directly on Form 8962. On Part IV, enter “0.50” in the columns for enrollment premiums and APTC.²

If You Do Not Qualify for an Exception

You only allocate the APTC. Put “0.50” in the APTC allocation column of Part IV and leave the enrollment premium and silver plan columns blank; you are not calculating a credit, only a repayment. Form 8962 then computes what you owe based on your 50% share of the advance payments.²

Exceptions That Let You Keep the Credit

Before you accept the MFS repayment outcome, check whether either of these exceptions fits your situation. Both can save you thousands.

Considered Unmarried (Head of Household)

A married person can be treated as “not married” for tax purposes under IRC Section 7703(b) if all three of these are true:³

Your home was the principal home of a dependent child for more than half the tax year.
You paid more than half the cost of keeping up that home during the year.
Your spouse was not a member of your household during the last six months of the tax year.

IRS Publication 974 lists this as “Exception 1” for premium tax credit purposes. Meet it, and you file as Head of Household and claim the full premium tax credit based on your own income.⁴ That is a completely different tax outcome from MFS, so if your living situation is anywhere close to fitting, work through this test carefully.

Domestic Abuse or Spousal Abandonment

Treasury Regulation Section 1.36B-2(b)(2)(ii) lets a taxpayer file MFS and still claim the premium tax credit if:⁵

You are living apart from your spouse at the time you file the return.
You are unable to file jointly because you are a victim of domestic abuse or your spouse has abandoned you.
You certify your status by checking the box at the top of Form 8962.

Domestic abuse is defined broadly to include physical, psychological, sexual, and emotional abuse. The living-apart test is measured at the time of filing, not for the whole year, so leaving partway through the year and filing from a separate residence can qualify.⁶

There is a three-year ceiling. If you claimed this exception in each of the three preceding tax years, you cannot claim it again this year.⁵ After that, keeping the credit generally requires filing jointly, qualifying for Head of Household, or pursuing legal separation.

Legal Separation and Nonresident Alien Spouses

A decree of divorce or separate maintenance takes you out of the MFS problem entirely. Under IRC Section 7703(a)(2), a person legally separated under a court decree is not considered married for tax purposes.³ You would file as Single or Head of Household, and the joint filing rule for the premium tax credit does not apply. An informal separation without a court order does not count.

Nonresident-alien spouses are harder. Federal law generally bars a joint return when either spouse is a nonresident alien during the year. The spouse can elect to be treated as a U.S. resident under IRC Section 6013(g), which restores the joint return and PTC eligibility. Without that election you file MFS with no special PTC exception available.

Repayment in 2026: The Caps Are Gone

For tax years through 2025, the statute capped how much excess APTC lower-income filers had to pay back, with dollar limits scaled to income as a percentage of the federal poverty line. Filers above 400% of the poverty line already had no cap.

Starting with tax year 2026, those caps are gone. The repayment-limitation provision in Section 36B(f)(2) was struck by Pub. L. 119-21 for taxable years beginning after December 31, 2025.⁷ If your allocated share of APTC is $3,000, you repay $3,000. If it is $8,000, you repay $8,000. The IRS has confirmed that the full difference between advance payments and the allowable credit is added to tax for 2026 and later years.⁸

The same legislation let the enhanced premium tax credits from the Inflation Reduction Act expire after 2025. For 2026, PTC eligibility returns to the original 100% to 400% federal poverty line range. Household income above 400% of the poverty line means no credit and repayment of every dollar of APTC. Between the eliminated caps and the narrower income band, the cost of filing MFS without an exception is materially higher in 2026 than it was even a year earlier.

You Still Have to File Form 8962

Every taxpayer who received APTC has to file Form 8962 with their return, even when the whole amount is coming back as a repayment. Leaving it off does not avoid the bill.

If you skip it, the IRS sends Letter 12C asking for the form. Do not respond with an amended return on Form 1040-X. Send back a copy of Form 1095-A and a completed Form 8962, and the IRS will finish processing your original return with those documents.⁹

The bigger consequence is next year. If you fail to reconcile APTC by filing Form 8962, you lose eligibility for advance premium tax credits and cost-sharing reductions for the following calendar year.⁹ Your Marketplace premiums can jump to full price until the missing reconciliation is filed. That risk stacks on top of any repayment you already owe.

Married During the Year? Check the Joint Alternative First

If you got married during the tax year and are considering MFS, run the joint-return numbers first. Form 8962 Part V has an alternative calculation for the year of marriage that can shrink a repayment, but only on a joint return.¹⁰

To use it, both spouses must have been unmarried on January 1, married by December 31, and filing jointly. Someone in the tax family must have been enrolled in a Marketplace plan and received APTC before your first full month of marriage, and the advance payments must exceed the actual credit. When those conditions are met, the calculation figures your required contribution for the pre-marriage months using each spouse’s individual income instead of combined household income. If one spouse had a low income before the wedding, the recalculated repayment can be meaningfully smaller than what MFS would produce, especially now that MFS repayments are uncapped.

1
HealthCare.gov. How to Reconcile Your Premium Tax Credit
2
Internal Revenue Service. 2025 Instructions for Form 8962
3
Office of the Law Revision Counsel. 26 USC 7703 – Determination of Marital Status
4
Internal Revenue Service. Publication 974 – Premium Tax Credit
5
eCFR. 26 CFR 1.36B-2 – Eligibility for Premium Tax Credit
6
Internal Revenue Service. FS-2025-10 – Updates to Questions and Answers About the Premium Tax Credit
7
Office of the Law Revision Counsel. 26 USC 36B – Refundable Credit for Coverage Under a Qualified Health Plan
8
FAQs for Marketplace Agents and Brokers. Are There Limits to How Much Excess Advance Payments of the Premium Tax Credit Consumers Must Pay Back
9
Internal Revenue Service. Reconciling Your Advance Payments of the Premium Tax Credit
10
Internal Revenue Service. Instructions for Form 8962 – 2025