When Does a Bank Have to Report Your Deposit? Banks report individuals who deposit $10,000 or more in cash. The IRS typically shares suspicious deposit or withdrawal activity with local and state authorities, Castaneda says.

The IRS requires Form 8300 to be filed if more thanR$10,000 in cash is received from the same payer or agent in any of the following ways: In one lump sum. In two or more related payments within 24 hours. As part of a single transaction or two or more related transactions within 12 months.