For tax year 2023 you will need to enter the expenses and income for the rental, then report that the rental was converted to personal use.
Any Depreciation Recapture and/or Capital Gain will be claimed when the property is eventually sold.
For the new rental, you will report that it was a personal residence converted to rental use and report the basis (your cost or Fair Market Value, whichever is less) expenses and income.
If the loss is more than the income, you might have a loss reported or the loss may be limited depending on your income and participation.
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