An FBAR is the Report of Foreign Bank and Financial Accounts. United States persons are required to file an FBAR if: The United States person had a financial interest in or signature authority over at least one financial account, including a bank account, brokerage account, mutual fund, trust, or other type of foreign financial account, located outside of the United States; and The aggregate value of all foreign financial accounts exceeded $10,000 at any time during the calen