Correcting depreciation basis on a rental?

What year did you make the error?

Depreciation errors are corrected by either filing an amended return or filing a change in accounting method form. Depreciation errors that are NOT subject to the accounting method change filing requirements require amended returns and include:

Amended Returns:

• You claimed the incorrect amount because of a mathematical error made in any year.
• You claimed the incorrect amount because of a posting error made in any year.
• You claimed the incorrect amount on property placed in service by you in tax years ending before the statute of limitations has expired.
• You are changing the amount of Section 179 claimed or not claimed.
• Election to apply the $2,500/$5,000 de minimis safe harbor rules (within its own time period requirements of return due date plus extension).
• Election not to claim bonus depreciation under 168k (within its own time period requirements of return due date plus extension).