If she qualifies as a dependent on your return, you are entitled to any tuition benefits (credits or deductions) on your return, so you should add the 1098T to your return.
You will need to amend her return if she received any benefit (credit or deduction) from having the tuition reported on her return. If you used TurboTax to prepare her return, the easiest way to determine that would be to start the Amend process on her return and delete that 1098T. If it doesn't change anything, you don't need to finish the amendment. If it does, you will need to finish the amendment.
Here is some more detailed information about amending returns in TurboTax:
To Amend your return in Turbo Tax Online follow these steps:
1. Sign in to your Turbo Tax Account
2. Scroll down to Your tax returns and documents and select Amend (change) 2019 return, then Amend using Turbo Tax Online.
3. Select the reason you are amending and Continue
4. Answer the questions about your Federal return, (there may be no changes) then begin amending your State return when it says "Lets get started on your state taxes...."
To Amend your return in Turbo Tax Desktop;
1. Open your tax file you need to amend and select Online and Check for Updates.
2. Go to the Federal Taxes tab (or the Personal Tab, if you are using Home & Business) and select the Other Tax Situations Tab.
3. Scroll down to Other Tax Forms and Select Start next to Amend a return.
4. Answer the appropriate questions for the State and Federal Returns.
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