There are a few ways to trigger itemizing deductions. The main way would be to have more itemized deductions than your standard deduction. For more information, see: How do I change from the standard deduction to itemized (or vice-versa)?
TurboTax must be allowed to calculate it. At the end of the Deductions and Credits section, select Done with Tax Breaks.
Be sure that there is no value entered in the Cares Act section except for what TurboTax is calculating. Highlight the box and delete any contents.
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