If you had more than $50,000 in your foreign country in your Bank/Securities/Deposits/Assets then you are required to file something called FATCA Report using Form 8938 with the IRS along with your Income Tax Return before April 15. All US Citizens and Residents who has a financial interest in or signature authority or other authority over any financial account in a foreign country and if the aggregate value of these accounts exceed $10,000 at any time during the calendar year, then it is mandatory to file FBAR with IRS.