It sounds like you are asking about entering your mortgage interest for your primary home which is currently being used as a rental property. The disclaimer is correct. Instead of entering mortgage interest and property taxes in the section of TurboTax so that those amounts will be deducted on Schedule A, you will enter them as part of Schedule E Rental Income and Expenses. By doing so, they are deducted from the rental income you received for your home.
If you lived in the home for part of the year, then the mortgage interest and property taxes would be prorated and partially deducted on both Schedule A and Schedule E. However, the data would still be entered in the Schedule E section.
Use the following steps to go to the Rental Income and Expenses section of your return:
Also, take a look at the following TurboTax article to learn more: