ObamaCare customers who received the wrong tax form from the federal government this spring will not face penalties if they miss the April 15 deadline, officials announced Friday.

Anyone who have not yet been sent corrected tax forms and are “unable to file an accurate tax return” now have until Oct. 15 to file — as long as they request an extension.

The government did not say how many people will be given extra time, though officials said in late March that 80,000 people were still waiting on their corrected tax forms. A total of 800,000 people had mailed the wrong forms.

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“If a taxpayer receives their Form 1095-A before April 15 and is able to file using the form before the deadline, they should do so,” according to a statement from the Treasury Department released late Friday.

The Centers for Medicare and Medicare Services (CMS), which is overseeing the rollout of ObamaCare, has acknowledged that it has taken more time than expected to mail the proper forms.

Health officials, as well as White House spokesman Josh Earnest, had previously said everyone who received the wrong tax form would be able to file by April 15. The Department of Health and Human Services disclosed the error in mid-February after first discovering the issue in January.

The Treasury Department had previously announced that it would not require people to re-file their taxes if they had already submitted their forms based on the inaccurate information, though it encouraged customers to “consult with their tax preparers” to know if they should re-file.

The information used to calculate subsidies was wrong on about 20 percent of 1095-A tax forms. Instead of listing information about ObamaCare benchmark plans for 2014, the forms listed 2015 data.