The direct answer

Provide acquisition documents, service dates, every relevant depreciation schedule, improvement records, study reports and filed returns. Include disposals and elections. Without those records, the preparer cannot reliably compare prior deductions with the proposed method or prevent duplicate amounts.

A practical example

Illustrative example, not a client result: The owner has only the newest asset report. Request the earlier schedules before agreeing to a catch-up number.

Choose the correction procedure from the filing history

A correction begins with the original returns and asset schedules. Identify whether the issue is a factual error, an established method or an election before choosing the form. Reconcile all affected years and entities and check the current procedural guidance. The expected benefit should be calculated from the corrected returns and remaining loss limitations, not assumed from the size of the discovered deduction.

Put the answer into your own tax file

Start by identifying the taxpayer, the tax year and the actual transaction. Then connect the transaction to the original documents before choosing a return line or moving money between accounts. A payment description can be useful evidence, but it cannot replace the underlying facts.

The records to review for this topic are: Filed returns, depreciation history, service dates, elections, improvement costs and disposition records.

For the example above, write down the decision that needs to be made, the missing information and the person responsible for supplying it. Keep the business, payroll, property and personal return teams aligned when more than one set of records is affected.

Questions to resolve before implementation

What records should I give my CPA for a depreciation correction?

Provide acquisition documents, service dates, every relevant depreciation schedule, improvement records, study reports and filed returns. Include disposals and elections. Without those records, the preparer cannot reliably compare prior deductions with the proposed method or prevent duplicate amounts.

What should I verify before applying this answer?

Verify the taxpayer, tax year, ownership, actual payments and supporting records. Filed returns, depreciation history, service dates, elections, improvement costs and disposition records.

Primary sources

Sources checked October 6, 2026. Use the guidance and form instructions for the relevant tax year. This article provides general education; facts and state rules can change the treatment.

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