Donald Trump's former chief of staff, Mark Meadows, is under investigation in North Carolina over his voter registration information, according to state authorities.

The probe was assigned to North Carolina's state bureau of investigation (SBI) after a district attorney reported the case to the state department of justice's special prosecutions unit, according to  Nazneen Ahmed, a department spokeswoman, in an email.

Ahmed said, "We have asked the SBI to investigate and at the conclusion of the investigation, we'll review their findings."

The investigation is being conducted in response to claims that Meadows, who represented North Carolina in Congress from 2013 until joining Trump's administration in 2020, registered to vote in September 2020 at an address he did not reside at, own, or visit, according to the News & Observer newspaper, which also reported that the state board of elections was conducting a joint investigation.

North Carolina legislation dictates that voters must live in the county where they register and reside there for a minimum of 30 days before elections.

Meadows, according to the state elections board's online database, is currently registered to vote at the same North Carolina address and voted absentee in the 2020 election.

The former chief of staff has repeatedly supported and claimed that the 2020 elections were fraudulent, a claim that eventually fueled the Capitol attack.

He refused to testify for the riot assaults, and was sought after by US lawmakers.

In a federal court filing, the House panel investigating the insurgency at the Capitol previewed some of its conclusions, and investigators indicated for the first time that they had enough evidence to suggest former President Donald Trump committed crimes.

Read more: January 6 panel says Trump engaged in 'criminal conspiracy'