Report of Foreign Bank and Financial Accounts (FBAR) – FinCEN Form 114
Who Must File?

U.S. persons, which include U.S. citizens, resident aliens, trusts, estates, and domestic entities that have an interest in foreign financial accounts and meet the reporting threshold.

Reporting Threshold (Total Value of Assets) Aggregate value of financial accounts exceeds $10,000 at any time during the calendar year. This is a cumulative balance, meaning if you have a combined account balance of $12,000 at any one time (but divided between 2 accounts), both accounts would have to be reported.

What is Reported?

Maximum value of financial accounts maintained by a financial institution physically located in a foreign country

When Due?

Received by October 15 (no extensions of time granted)

FBAR Penalties

Those required to file an FBAR who fail to properly file a complete and correct FBAR may be subject to a civil penalty not to exceed $10,000 per violation for no willful violations that are not due to reasonable cause.
For willful violations, the penalty may be the greater of $100,000 or 50 percent of the balance in the account at the time of the violation, for each violation.

Click here for the detailed article by the Internal Revenue Service (IRS) on FBAR penalties

Statement of Specified Foreign Financial Assets – IRS Form 8938
Who Must File?

Specified individuals, which include U.S citizens, resident aliens, and certain non-resident aliens that have an interest in specified foreign financial assets and meet the reporting threshold

Reporting Threshold (Total Value of Assets)
Taxpayers living in the US:

Unmarried taxpayer (or married filing separately): Total value of assets was more than $50,000 on the last day of the tax year, or more than $75,000 at any time during the year.

Married taxpayer filing jointly: Total value of assets was more than $100,000 on the last day of the tax year, or more than $150,000 at any time during the year.

Taxpayers living outside the US:

Unmarried taxpayer (or married filing separately): Total value of assets was more than $200,000 on the last day of the tax year, or more than $300,000 at any time during the year.

Married taxpayer filing jointly: Total value of assets was more than $400,000 on the last day of the tax year, or more than $600,000 at any time during the year.

What is Reported?

Maximum value of specified foreign financial assets, which include financial accounts with foreign financial institutions and certain other foreign non-account investment assets

When Due?

Form is attached to your annual return and due on the date of that return, including any applicable extensions

Non-Compliance with Form 8938 Reporting Requirements

Penalties Up to $10,000 for failure to disclose and an additional $10,000 for each 30 days of non-filing after IRS notice of a failure to disclose, for a potential maximum penalty of $60,000; criminal penalties may also apply
An additional penalty of up to $50,000 for continued failure to file after IRS notification, and a 40 percent penalty on an understatement of tax attributable to non-disclosed assets.

Click here for summary by the Internal Revenue Service (IRS) on FATCA reporting