In 2020, the first year I had the rental property. I entered an incorrect cost basis on my property and I understated the cost, so the depreciation is not enough. I did not catch the error until I was working on my 2024 taxes. Can I just do amended returns for 2020, 2021, 2022, and 2023? or do I have to complete a form 3115. The method of depreciation was correct on the amount I did take. I do not want to change the accounting method only the incorrect amount. I have not filed my 2024 taxes yet.
