Gun registration fraud, no biggie.
Tax charges and back taxes owed are substantial.
Biggest no, no IMO, was traveling to Foreign Countries to conduct business, on Air Force 2, when the FBI had pulled his VISA.
And did he violate the FARA Regulation? Pretty sure what he was doing fits the definition of a FARA violation.
A public official of the United States in the executive, legislative, or judicial branch of the Government or in any agency of the United States, including the District of Columbia, who is or acts as an agent of a foreign principal required to register under the FARA or a lobbyist required to register under the Lobbying Disclosure Act of 1995 in connection with the representation of a foreign entity, as defined in Section 3(6) of that Act.
And
FARA is an important tool to identify foreign influence in the United States and address threats to national security. The central purpose of FARA is to promote transparency with respect to foreign influence within the United States by ensuring that the United States government and the public know the source of certain information from foreign agents intended to influence American public opinion, policy, and laws, thereby facilitating informed evaluation of that information. FARA fosters transparency by requiring that persons who engage in specified activities within the United States on behalf of a foreign principal register with and disclose those activities to the Department of Justice. The Department of Justice is required to make such information publicly available