TaxGuyBill
Level 15
12-07-2019
01:54 AM
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From what I understand, using incorrect Basis is a "mathematical or posting error".
That means that Form 3115 does not apply, and the only thing that can be done is to amend the 'open' years.
Other than that, it can't be fixed, and the Basis is now $0 with no further depreciation.