Please select everything that is in the SIN box and delete it. Then re-type the SIN, making sure to use only numbers and no special characters or spaces. There should be total of 9 numbers. Ex: 123456789
If you have TurboTax Live Assist & Review, here is how to talk to a Tax Expert: https://turbotax.community.intuit.ca/community/navigating-turbotax/help/i-m-using-turbotax-live-assi...
