Insurance Regulator in New York
The Subpoena, The New York State Department of Financial Services, familiar with the matter.
The Department of Financial Services declined to comment.
There is no indication of the company 's insurance policies.
The Department of Financial Services inquiries may be used as a basis for a prosecution.
The Subpoena of the Trump and the Trump Organization from 2009 is the subpoena.
Aon told ABC News in a statement. "We do not comment on specific client matters."
The White House and the Trump Organization did not return ABC News' request for comment.
Cohen's bombshell testimony last week is also due to the three-year-old, according to three Democratic aides. During the Cohen's testimony before the House Oversight Committee, they suggested that they should be taxed.
ABC News' Tara Palmeri contributed to this report.