President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE and first lady Melania Trump Melania TrumpThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power FBI director casts doubt on concerns over mail-in voting fraud Trump: 'We could hardly hear' boos, chanting at Supreme Court MORE submitted their 2017 federal income tax returns months after the president asked the Internal Revenue Service for an extension, CBS News reported Wednesday.

White House press secretary Sarah Huckabee Sanders confirmed in a statement to the outlet that "the President and First Lady filed their taxes on time and as always they are automatically under audit, which the President thinks is extremely unfair.”

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CBS noted that the IRS automatically audits tax returns filed by each president, though an audit does not prevent the president from voluntarily releasing his or her tax returns. Every president has released his returns in some form since Richard Nixon.

Trump has drawn immense criticism since the campaign trail for his refusal to release his tax returns publicly. The president has repeatedly claimed his taxes were under audit and therefore could not be made public, though many, including the IRS, have pointed out that he could still voluntarily request his taxes be released.

Earlier this month, a bombshell New York Times report found that Trump engaged in "dubious" tax practices before taking office. The Times reported that Trump engaged in “dubious” tax practices that allowed him to accrue millions of dollars in additional wealth from his father's real estate empire in the 1990s.

Trump declined to comment to the Times, but hours later, the White House put out a statement slamming the paper and calling for an apology, without refuting the details in the story.

Trump later blasted the story as a “very old, boring and often told hit piece,” but stopped short of denying any aspect of the Times's reporting.

The deadline for Trump to file was Monday, CBS reported.