Form 4562 and Reporting Basics After a Study

After a study is complete, its results must be translated into tax return entries. This page describes the general mechanics so you understand what your preparer does and what you should keep.

The depreciation form

Depreciation and amortization are generally reported on Form 4562, which is attached to the return. The form has sections for bonus depreciation and Section 179 elections, for regular MACRS depreciation of property placed in service in the current year, and for prior-year property. Property in different recovery periods is generally listed by class. Your preparer or software populates the form from the asset schedule.

From the report to the schedule

The study produces a schedule of assets with costs and classes. The preparer enters the assets into the tax depreciation software with the placed-in-service date, cost, method, and convention. From then on, the software computes annual depreciation. A clean schedule that reconciles to total cost prevents errors. See What a Cost Segregation Report Should Contain.

The current-year case

For a property placed in service in the current year, the assets go on the return for that year. Bonus, if applicable and not elected out, is computed on qualifying assets. See Year of Acquisition: Why Timing Matters for a Study.

The catch-up case

For property placed in service in prior years, the change is generally reported through a method change with a statement or form and a separate reporting of the adjustment. The details are specific. See Catch-Up Depreciation With Form 3115 and The Section 481(a) Adjustment Explained Simply.

Which schedule the rental income reports on

Rental activity is reported on different forms depending on the type. Individuals with rentals commonly use a schedule for supplemental income and loss, while businesses use their own forms. The depreciation flows to that schedule. Losses may then be limited by additional forms for passive activities and other limits. See The Passive Activity Loss Rules and Cost Segregation.

Consistency across years

Once you set up the schedule, you must follow it in subsequent years. Do not change recovery periods or methods without following procedures. Track the schedule and any changes.

Dispositions

When you replace components or sell, the schedule is used to compute the gain or loss. Keep the schedule updated. See Partial Dispositions, Replaced Components, and Studies.

Alternative minimum tax and other side effects

Depreciation can have other effects, such as on the basis for state returns, on deductions computed from income, and on certain computations for large taxpayers. Your preparer handles these. Ask if anything is relevant to you.

Entities

A partnership reports depreciation at the entity level and passes items to partners. Each partner then applies their own limits. See Entities and Who Gets the Deduction.

What you should receive from your preparer

• A summary of the depreciation deduction by class.
• A copy of the schedule.
• Any method change filing.
• An explanation of how the deduction flowed through the return.

Common errors

• Failing to reconcile the schedule to the total cost.
• Reporting an asset in both the old and new schedules.
• Not removing the old asset when catching up.
• Ignoring state differences. See State Conformity to Federal Bonus Depreciation.

If you use online tax software yourself

Owners who prepare their own returns should be cautious. Depreciation of studied assets involves many entries, and errors can be costly. If you are new to it, consider having a professional prepare at least the year of the study and set up the schedule. In later years you may be comfortable maintaining it, though many owners prefer to keep professional help.

Related forms

Depending on your situation, other forms may accompany the depreciation form, such as those for rental income, passive activity limits, and entity returns. Ask your preparer for a list of forms that will change because of the study so that you know what to expect.

What to check in the return

When the return is prepared, ask to see the depreciation detail. Confirm that the total cost of assets equals your basis less land. Confirm that placed-in-service dates match your records. Confirm that assets have the recovery periods in the report. Confirm that bonus or any election out matches your decision. Confirm that state depreciation reflects the state's rules. A brief review can catch a data entry error that would otherwise persist for years.

Multi-year consistency

Depreciation is computed year after year from the schedule. If an error creeps in, it compounds. When you change preparers or software, reconcile the new schedule to the prior year's ending balances. That practice avoids duplicate or missing assets.

What to keep

Keep the final depreciation report from each year, the study, and any statements filed with the return. If you use an online platform, download copies rather than relying on the platform. See Audit Defense and Documentation for Cost Segregation.

A note on amounts that look wrong

If the first-year deduction appears far larger or smaller than expected, ask your preparer to walk you through it. Common reasons include the bonus percentage applied, the convention used, elections made, and limits applied after the depreciation computation. Understanding the flow helps you spot a genuine error.

Next steps

Review Audit Defense and Documentation for Cost Segregation for keeping records that support these entries.