President Trump’s chief strategist and senior counselor was registered to vote in two states until this week, according to multiple reports.

Local election officials told NBC News that Stephen Bannon was registered in both Florida and New York until Wednesday, when he was removed from voter rolls in Sarasota County, Fla.

The move came after a notification from the New York City Board of Elections, an official with the Sarasota County Supervisor of Elections told NBC News.

Bannon, who served as the CEO of Trump’s 2016 presidential campaign, lists a rented apartment in Manhattan as his New York address, The Guardian reported Wednesday. He registered to vote in New York before last year’s presidential election, despite having already been registered in Florida.

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Bannon cast his ballot for Trump in New York, a source familiar with the arrangements told the paper.

The Washington Post said Wednesday that Bannon sent a letter to the Florida elections officials on Nov. 7, one day before Election Day, asking that he be removed from the rolls because he had moved to New York.

But when contacted by the Post Wednesday, Elections Supervisor Ron Turner said “none of us recall getting” the letter.

Turner told the Post that after reading the reports of Bannon’s dual registration, he confirmed the Trump adviser’s New York registration and removed him from the Sarasota County rolls.

The confusion illustrates how outdated registrations can remain listed on public rolls. There is no single system for voter registration records, the Post noted, so local election officials must rely on their counterparts in other states to help exchange and keep such information up to date.

The Guardian said Bannon’s Florida registration listed a home belonging to Andy Badolato as his residence there. The Guardian said he changed his registration to Baldolato’s house in August, after it discovered that his registration address was an empty house in Florida where he did not live.

Badolato is a friend of Bannon’s, The Guardian said, who collaborated with him on some of his political documentary films and wrote for Breitbart News, the conservative news website Bannon ran before joining Trump’s campaign.

Badolato declined at the time to specify whether Bannon was actually living on his property, as is required under the registration rules of the Florida Division of Elections.

Bannon did not cast a ballot in Florida, according to state records.

Trump specifically mentioned voters registered in two states on Wednesday while calling for a “major” investigation of alleged voter fraud nationwide.

“I will be asking for a major investigation into VOTER FRAUD, including those registered to vote in two states, those who are illegal and…even those registered to vote who are dead (and many for a long time),” he tweeted. "Depending on results, we will strengthen up voting procedures!”

Trump reignited national debate over voter fraud this week when he falsely claimed that he lost the 2016 presidential election’s popular vote due to fraud by “illegals."

Democratic presidential nominee Hillary Clinton won the popular vote by more than 2.8 million votes, but Trump won the Electoral College.