Robert S. Mueller III, Superseding Indictment of Manafort and Gates (2018)
“ First, the Bank Secrecy Act and its implementing regulations require United States citizens to report to the Treasury any financial interest in, or signatory authority over, any bank account or other financial account held in foreign countries, for every calendar year in which the aggregate balance of all such foreign accounts exceeds $10,000 at any point during the year. This is commonly known as a foreign bank account report or “FBAR.” The Bank Secrecy Act requires these reports because they have a high degree of usefulness in criminal, tax, or regulatory investigations or proceedings. ”
