If the bank balance exceeded $150,000 at any time during the tax year, there is a 8938 reporting requirement. If the amount exceeded $150,000 at any time during the tax year, then you would report that amount as an amount related to Foreign Financial Assets.
Keep in mind, there is also a FBAR reporting requirement if the amount of that account exceeded $10,000 during the year. You would report this to the US Treasury Dept here.
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