Part 2 · Business Income & Deductions

MACRS Depreciation: Section 179 Interaction with MACRS

MACRS Depreciation: Section 179 Interaction with MACRS is a critical concept in EA Exam Part 2, Business Income & Deductions. This topic covers essential tax principles that frequently appear on the exam. Understanding section 179 interaction with macrs is crucial for passing Part 2.

Section 179 Interaction with MACRS: EA Exam Part 2 at a glance, what is tested and the IRS references

Quick answer

Section 179 expensing lets a business immediately deduct the cost of qualifying property up to an annual limit, with a phase-out when total purchases exceed a threshold. This subtopic tests how §179 interacts with MACRS and bonus depreciation.

Section 179 Interaction with MACRS is tested on EA Exam Part 2 (Business Income & Deductions). Primary IRS reference: IRC § 179.

About this EA exam topic

Section 179 expensing lets a business immediately deduct the cost of qualifying property up to an annual limit, with a phase-out when total purchases exceed a threshold. This subtopic tests how §179 interacts with MACRS and bonus depreciation.

The EA exam tests the deduction limit, the investment phase-out, the taxable-income limitation, and the ordering of §179, bonus depreciation, and regular MACRS.

What you'll be tested on

  • Section 179 annual deduction limit and investment phase-out
  • Taxable-income limitation on §179
  • Ordering of §179, bonus depreciation, and MACRS
  • Qualifying property for §179

How to prepare

  • Apply §179 first, then bonus, then regular MACRS on the remaining basis.
  • Remember the taxable-income limit can defer part of §179.
  • Watch the dollar-for-dollar phase-out above the investment threshold.

Practice questions for Section 179 Interaction with MACRS

What this topic covers

Section 179 Interaction with MACRS appears in Part 2: Business Taxation within the Business Income & Deductions domain. VantageEA practice questions focus on how macrs depreciation rules are applied in realistic EA exam fact patterns.

What candidates practice

Candidates practice identifying tested facts, choosing the best multiple-choice answer, and reviewing explanations tied to IRC § 179, IRC § 168(d)(3)(B), IRS Publication 946. This topic supports timed 100-question PSI-style mock tests and shorter topic review sessions.

Related practice-question themes include section-179, macrs, expensing, depreciation.

Topic overview

Exam partPart 2: Business Taxation
DomainBusiness Income & Deductions
TopicMACRS Depreciation
Difficultymedium to hard
Last updated2025-tax-year

Official IRS sources

Related keywords

section-179macrsexpensingdepreciationbusiness-income-limit

Frequently asked questions

How does §179 interact with MACRS?

Section 179 expensing is taken first, then bonus depreciation, then MACRS depreciates any remaining basis.

Which part?

Part 2 (Businesses).

Reference?

IRS Publication 946.

Practice this topic.

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