Simplified Interest Capitalization Rules Now Apply to Property Investments
The IRS has finalized interest capitalization rules for improvements to real and personal production property. The interest is generally incurred on a business’s installation or construction of improvements or additions to property it uses to generate income. The capitalization requirement for these interest costs means that, rather than deducting the interest as an immediate expense, the interest must be added to the property’s basis and recovered over time. The final regulations remove a complicated rule, called the “associated property rule”, that was invalidated by a federal court in 2012 in the case Dominion Resources, Inc., and adds conforming changes in other areas.
The result of these rule changes is to reduce the amount of improvement expenses that must be capitalized and potentially allow more costs to be immediately deducted. However, the rules are complicated and must be carefully analyzed.
Associated Property Rule
Under the associated-property rule, if a taxpayer made an improvement to property, interest capitalization was required on the direct expenditures for the improvement and on the basis of the associated property that was being improved. The rule applied to property that was temporarily withdrawn from service or was not yet placed in service, to complete an improvement. It’s a complicated concept that essentially increased the production expenses that had to be capitalized. Removing this rule provides that only the direct and indirect costs of the improvements themselves are included in accumulated production expenditures and need to be capitalized.
Definition of Improvement Under the New Rules
The final regs update the definition of “improvement” for purposes of capitalization and incorporate related exceptions, safe harbors and elections. The regulations state that any improvement to real or tangible personal property constitutes the production of property. Further, any improvement to designated property constitutes the production of designated property. An improvement is not treated as the production of designated property if a de minimis exception applies to the improvement. Also, improvements do not include repairs and maintenance.
How Mid-Production Purchases Are Treated
The final regulations apply the mid-purchase rule only to property bought and further produced before being placed in service. This change clarifies how the costs of a partially completed unit of property are treated. Now, if a taxpayer purchases a unit of property for further production before it is placed in service, the taxpayer’s accumulated production expenditures include the full purchase price plus all the additional direct and indirect production costs incurred by the taxpayer that are required to be capitalized.
When the New Capitalization Rules Take Effect
Interest capitalization rules for production property are detailed and highly technical. They take effect for taxable years beginning after October 2, 2025. The IRS’s latest changes give taxpayers more certainty and will help simplify the process of determining which expenses associated with production property must be capitalized. It is best to consult a tax expert to see how the final regulations apply to your property improvement activities.
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