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15.8 Disposition of Business Assets

Key Takeaways

  • Realized Gain/Loss = Amount Realized - Adjusted Basis.

  • Adjusted Basis = Cost + Improvements - Depreciation allowed or allowable.

  • Form 4797 reports business asset sales.

  • Character: Ordinary assets, Capital assets, or §1231 assets.

  • Depreciation recapture: taxed as ordinary income before capital treatment.

  • "Allowed or allowable" = must reduce basis even if not claimed.

Last updated: October 2026

Why This Matters for the Exam

Asset disposition ties depreciation to gain/loss. The exam tests the formula and "allowed or allowable."

The Disposition Formula

ElementCalculation
Amount RealizedCash + FMV property + Liabilities assumed
Adjusted BasisCost + Improvements - Depreciation
Gain/LossAmount Realized - Adjusted Basis

Adjusted Basis Components

ComponentEffect on Basis
Original cost+
Sales tax, freight, installation+
Capital improvements+
Depreciation (§179, bonus, MACRS)-

"Allowed or Allowable" Rule

RuleEffect
Forgot to claim depreciationMUST still reduce basis
Cannot "save" basisBy skipping depreciation
ExceptionElecting out of bonus (specific election)

Character of Gain/Loss

Asset TypeDefinitionTreatment
OrdinaryInventory, A/ROrdinary rates
CapitalInvestment, personal-useCapital rates
§1231Depreciable business property >1 yearBest of both worlds

Depreciation Recapture

RuleEffect
Gain up to depreciation takenOrdinary income
§1245 (personal property)All depreciation recaptured
§1250 (real property)Excess over straight-line (25% rate)

Form 4797 Parts

PartAssets Covered
Part I§1231 property (>1 year)
Part IIOrdinary gains/losses
Part IIIDepreciation recapture

Real-World Scenario

Scenario: Forklift—cost $20,000, depreciation $12,000, sold for $10,000.

  • Adjusted basis: $20,000 - $12,000 = $8,000.
  • Gain: $10,000 - $8,000 = $2,000.
  • Recapture: $2,000 < $12,000 depreciation → all $2,000 ordinary.

On the Exam

Question types to practice on dispositions:

  1. Gain/Loss Questions: "What is the realized gain?"
  2. Basis Questions: "What if taxpayer forgot to claim depreciation?"
  3. Recapture Questions: "How is the gain taxed?"

The key is to remember: Gain = Amount Realized - Adjusted Basis. Adjusted Basis = Cost + Improvements - Depreciation. "Allowed or allowable" = must reduce basis. Recapture = ordinary income.

Test Your Knowledge

Machine: $20,000 cost, $14,000 depreciation, sold for $15,000. Realized gain?

A

$5,000 loss

B

$9,000 gain

C

$15,000 gain

D

$34,000 gain

Test Your Knowledge

Taxpayer forgot to claim depreciation. Effect on adjusted basis?

A

No effect

B

Still reduced by allowable amount

C

Increased by missed amount

D

IRS corrects automatically

Test Your Knowledge

Which form reports business asset sales?

A

Schedule C

B

Schedule D

C

Form 4797

D

Form 4562

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