If your RV has cooking. sleeping and toilet facilities, and the loan is secured by the RV itself, you can deduct the interest paid as mortgage interest, even if you have not received a form 1098.
You enter this interest just as interest reported on a form 1098.
In TurboTax Online, open your return
Click on Search (magnifying glass icon) at the top right of your screen
In the Search box, enter form 1098 and click Enter
In the search result box, click on Jump to form 1098
TurboTax will take you directly to the section where you can start entering your form 1098.
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