• In this Aug. 21, 2014 file photo, tax form 8962 is seen in Washington. About 1.8 million households that got financial help for health insurance under President Barack Obama’s law have issues with their tax returns that could jeopardize their subsidies next year.FILE - This Aug. 21, 2014, file photo, shows health care tax forms 8962 and1095-A, in Washington.  (AP Photo/Carolyn Kaster, File)

    In this Aug. 21, 2014 file photo, tax form 8962 is seen in Washington. About 1.8 million households that got financial help for health insurance under President Barack Obama’s law have issues with their tax returns that could jeopardize their ... subsidies next year.FILE - This Aug. 21, 2014, file photo, shows health care tax forms 8962 and1095-A, in Washington. (AP Photo/Carolyn Kaster, File) (The Associated Press)

  • FILE - In this June 2, 2015, file photo, Internal Revenue Service (IRS) Commissioner John Koskinen testifies on Capitol Hill in Washington. About 1.8 million households that got financial help for health insurance under President Barack Obama’s law have issues with their tax returns that could jeopardize their subsidies next year. (AP Photo/Jacquelyn Martin, File)

    FILE - In this June 2, 2015, file photo, Internal Revenue Service (IRS) Commissioner John Koskinen testifies on Capitol Hill in Washington. About 1.8 million households that got financial help for health insurance under President Barack Obama’s law ... have issues with their tax returns that could jeopardize their subsidies next year. (AP Photo/Jacquelyn Martin, File) (The Associated Press)

Health law subsidies at risk next year for 1.8M households; fed government launches outreach

About 1.8 million households that got financial help for health insurance under President Barack Obama's law now have issues with their tax returns.

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That's more than a paperwork headache: it could put their subsidies at risk next year.

Administration officials are saying those taxpayers need to act quickly. The IRS has started sending out letters and HealthCare.gov is reporting more tax-related calls to its consumer assistance center.

The health care law provides tax credits to help people afford private insurance. But consumers who get the credits are required to file a tax return that properly accounts for them.

It can be confusing. About 710,000 of the people affected apparently didn't even realize they were required to file.

Another 760,000 didn't send in the right form.