When a business purchases a significant tangible asset, such as a vehicle, machinery, or office furniture, it's making a long-term investment. Unlike office supplies that are used up quickly, these assets provide value for more than one year. For this reason, the IRS does not allow you to deduct the entire cost of such assets in the year you purchase them.
Instead, you recover the cost over time through an annual tax deduction called depreciation. Depreciation is a non-cash expense that accounts for the wear and tear, deterioration, or obsolescence of an asset. This guide will explain what depreciation is, which assets it applies to, and how it is calculated and reported for tax purposes.
Depreciation is not a direct expense category for a single transaction but a calculated, annual deduction that represents the recovery of a capitalized cost. When you purchase a long-term business asset, you must first capitalize it—meaning you record it as an asset on your balance sheet.
Then, each year, you calculate the depreciation expense for that asset. This annual deduction is calculated on Form 4562, and the total amount is then carried over to your main business tax return (e.g., Line 13 of Schedule C for a sole proprietor).
The depreciation rules are detailed and specific. Understanding these core concepts is essential for correct tax treatment.
According to IRS Publication 946, you can depreciate most types of tangible property if it meets all the following requirements:
You can never depreciate the cost of land.
For most business property placed in service after 1986, you must use the Modified Accelerated Cost Recovery System (MACRS). This system determines the property's class, recovery period (the number of years over which it is depreciated), and the depreciation method to be used.
It is critical to distinguish between a deductible repair and a capital improvement.
As an alternative to depreciating an asset over many years, IRS Publication 334 explains that you may be able to elect to deduct the full cost of qualifying property in the year it is placed in service. This is called the Section 179 deduction, and it is subject to annual dollar limits.
The depreciation deduction is a key part of your annual business tax filing.
The annual depreciation deduction for all your business assets is calculated on Form 4562. This form requires you to provide details for each asset, including its cost, the date it was placed in service, and the depreciation method used. The total depreciation deduction from Form 4562 is then reported on the appropriate line of your business tax return.
IRS Publication 946 stresses the importance of keeping detailed records for all depreciable assets. Your records must show:
Fyle is the ideal system for the first and most critical step in depreciation: capturing and documenting the purchase of a capital asset.