“Earning more than $10 from a bank account during the year requires the bank to report it to the IRS on Form 1099-INT. Plus, your dividends and stock sales are reported through 1099-DIV and 1099-B.
However, any sum you paid for the transfer, premiums you paid, and other amounts you contributed directly are not taxable. The taxable value should be printed on a 1099-INT or other official tax form.
A simple return generally includes W-2 income, limited interest ... for Form 1040 + limited credits only) If your finances are more complicated and you don't qualify for a simple tax return ...