Tax Facts

718 / What is bonus depreciation? How has tax reform legislation impacted the bonus depreciation rules?

Bonus depreciation is a form of depreciation that allows taxpayers to take a larger depreciation deduction in the year property is first placed into service.



The IRS has provided procedures on how to claim bonus depreciation.1 Bonus first-year depreciation applies only to qualified property and is claimed in the first year that the property is placed in service. The precise amount of the deduction depends on the year the property was placed into service. For certain qualified property placed in service in 2008 until 2017, bonus depreciation of 50 percent was allowed.2

Under the 2017 tax reform legislation, the bonus depreciation was to be allowable as the following percentage of the unadjusted depreciable basis of qualified property:

  • Property placed in service after September 27, 2017 and before January 1, 2023: 100 percent expensing.

  • Property placed in service after December 31, 2022 and before January 1, 2024: 80 percent expensing.

  • Property placed in service after December 31, 2023 and before January 1, 2025: 60 percent expensing.

  • Property placed in service after December 31, 2024 and before January 1, 2026: 40 percent expensing.

  • Property placed in service after December 31, 2025 and before January 1, 2027: 20 percent expensing.

  • 2027 and thereafter: 0 percent expensing.3


The 2025 OBB restored 100% bonus depreciation. The 100% bonus depreciation provision is permanent for qualified property that is acquired and placed into service on or after January 20, 2025.


The OBBB created an additional elective 100% depreciation deduction for certain “qualified production property”, or (QPP).  This elective additional deduction is temporary and allowed only through 2030. “QPP” is defined to include newly constructed (and some existing) non-residential real estate that is used as an “integral part” of a qualified production activity—namely, manufacturing, production, or refining of defined tangible personal property within in the United Staes.

Additional requirements include:

  • The original use must begin with the taxpayer

  • The property’s construction must begin after January 19, 2025 and before January 1, 2029

  • The property must be placed in service before January 1, 2031


If the taxpayer has leased the property to someone else, the use by a lessee is not considered to be used by the taxpayer (as lessor) as part of a qualified production activity.  For purposes of the elective 100% deduction for QPP, the adjusted basis of the QPP will be reduced by the amount of the elective deduction before calculating the otherwise available depreciation deduction (both for the current tax year and any later tax years).  Recapture rules apply if the taxpayer ceases to use the QPP for qualified production activities during the ten-year period after the QPP is placed in service.  Qualified production activities include manufacturing, production, or refining of defined tangible personal property within in the U.S.

For certain property with longer production periods, the modified schedule that applies under the 2017 tax reform legislation was as follows:


  • Property placed in service after September 27, 2017 and before January 1, 2024: 100 percent expensing.

  • Property placed in service after December 31, 2023 and before January 1, 2025: 80 percent expensing.

  • Property placed in service after December 31, 2024 and before January 1, 2026: 60 percent expensing.

  • Property placed in service after December 31, 2025 and before January 1, 2027: 40 percent expensing.

  • Property placed in service after December 31, 2026 and before January 1, 2028: 20 percent expensing.


2028 and thereafter: 0 percent expensing.4

Under a transition rule, a business was entitled to elect to apply a 50 percent depreciation allowance instead of the 100 percent allowance for the taxpayer’s first tax year ending after September 27, 2017.5

For property used both in an individual’s trade or business (or for the production of income) and in a personal or tax-exempt activity during a taxable year, depreciation is allocated to all uses of the property, and only the portion attributable to the trade or business or production of income use is deductible.6







1. Rev. Proc. 2003-50, 2003-29 IRB 119.

2. IRC § 168(k), as amended by ESA 2008, ARRA 2009, ATRA and the 2017 Tax Act.

3. IRC § 168(k)(6)(A).

4. IRC § 168(k)(6)(B).

5. IRC § 168(k)(8).

6. Prop. Treas. Reg. § 1.168-2(d)(2)(ii).

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