Key Takeaways
- The IRS has a 120+ page Audit Technique Guide specifically for cost segregation—examiners are trained and focused.
- Six-factor Whiteco test determines personal property classification: permanence, attachment, design, relationship, intent, local law.
- Audit-resilient documentation includes the complete study, inspection photos, Form 3115, and revised depreciation schedules.
- Higher audit risk: desktop studies, reclassification >40% on residential, firms without engineering credentials.
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Test Your Knowledge
1.What is the IRS's primary focus when auditing a cost segregation study?
2.What documentation is essential for defending a depreciation claim in an IRS audit?
3.How does the IRS assess risk for selecting cost segregation studies for audit?