Get your taxes done using TurboTax

Yes ... you are required to enter ALL your income on the income tax return for that year ... note what you sign when filing the form 1040 ...

If you already filed then when the original return has been fully processed and you have your refund in hand then you can amend the return ...

See this TurboTax support FAQ for amending a tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-change-correct-return-a...