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The nonprofit run by one of America’s most prominent white nationalists, Richard Spencer, has lost its tax-exempt status for failing to file tax returns with the federal government, according to Internal Revenue Service records.

Reporters surround white supremacist Richard Spencer during the first day of the Conservative Political Action Conference at the Gaylord National Resort and Convention Center Feb. 23, 2017 in National Harbor, Maryland. (Credit: Chip Somodevilla / Getty Images)

An inquiry by the Los Angeles Times also raised questions about whether Spencer had properly filed paperwork allowing the National Policy Institute to raise funds in Virginia, its primary place of business, and whether Spencer, a Donald Trump supporter, had flouted federal rules that forbid nonprofits from supporting or opposing political candidates.

On Monday, Spencer said an IRS error led him to believe his group was not required to file federal tax returns, and said he would appeal the loss of his tax-exempt status.

“I don’t know what to say. I don’t want to make a comment because I don’t understand this stuff,” Spencer said in a telephone interview. “It’s a bit embarrassing, but it’s not good. We’ll figure it out.”

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