Key Takeaways - If You Deposit a Lot of Cash, Does Your Bank Report It to the Government? Depositing $10,000 or more in cash means your bank or credit union will report it to the federal government.

Some banks offer very high APYs -- but only on a portion of your savings. See why those eye-popping interest rates may not be ...

The bank currently pays 3.25% interest on current account balances up to £5,000, which gives customers £162.50 a year.