Learned this from a CPA friend of mine...
If you are American and have a foreign bank account - you need to fill out "FBAR, *Form* 114" with your taxes yearly, or ELSE! There is a $100,000 fine that may be leveled against you, if you don't. Look it up - don't find out the hard way!
TLDR : Answer Summary
Americans with foreign bank accounts must file FBAR (Form 114) annually to report account details, and failure can result in significant penalties, including fines based on account balances. Key points discussed include the requirement threshold of $10,000, the implications of multiple accounts, and specific penalties associated with non-compliance. Some participants shared personal experiences and opinions about tax obligations while living in Thailand.