Thank you for choosing TurboTax. If you have entered an amount from any of the boxes on the slips listed below, you have what the Canada Revenue Agency (CRA) says is self-employment or business income.
T4 slip: box 81, 82 or 83
T4A slip: box 20 or 48
T4A slip: box 28 and you selected yes to the question Does the income declared in Box 028 consist of fees collected for services you provided? in the online edition of TurboTax