The Federal Elections Commission is ordering Trump Has Tiny Hands PAC to change its name or face “an audit or enforcement action.”

“Your committee’s name includes the name of a candidate; however, your committee does not appear to be an authorized committee of that candidate,” the FEC wrote in a letter to the PAC.

The letter tells the political action committee it must change its name “so that it does not include the candidate’s name” if it is not authorized by Republican presidential front-runner Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE.

FEC tells "Trump Has Tiny Hands PAC" to change its name pic.twitter.com/s7NrtQ5r2f — Dave Levinthal (@davelevinthal) March 14, 2016

Trump Has Tiny Hands PAC was launched last Monday by Portland, Ore., resident Henry Kraemer.

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Kraemer told The Hill he decided to start the PAC when Trump denied “he has tiny baby hands.”

“When a call comes into the White House at 3 a.m., will Donald Trump’s tiny baby hands be able to lift the phone receiver? This is something Americans should know before voting,” he said last week.

One of Trump's rivals, Sen. Marco Rubio Marco Antonio RubioFlorida senators pushing to keep Daylight Savings Time during pandemic Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Intelligence chief says Congress will get some in-person election security briefings MORE (R-Fla.), mocked the size of the real estate mogul's hands in late February, an attack he now says he regrets.

The insult drew a memorable response from Trump during a debate earlier this month.

"He referred to my hands — if they are small, something else must be small. I guarantee you, there's no problem," Trump said.