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22.3 Section 1033 Involuntary Conversions & Replacement Periods
EA Part 2 — Businesses: Free Study Guide 2026 Exam
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1 Chapter 1: Exam Cycle & Preparation
1.1 Current Exam Cycle, Blueprint & Study Decisions
2 Chapter 2: Business Entity Choices & Classification
2.1 Business Structures & Liability: Sole Proprietorship, Partnership, LLC, and Corporation 2.2 Entity Classification & Check-the-Box Rules (Form 8832) 2.3 Classification Elections, Default Rules & the 60-Month Limitation 2.4 EINs, Entity Changes & Closing a Business
3 Chapter 3: Sole Proprietorships
3.1 Schedule C Gross Income & Allowable Business Expenses 3.2 Self-Employment Tax (Schedule SE) & Statutory Employees 3.3 Business Use of Home (Simplified vs. Actual Method)
4 Chapter 4: Partnership Formation & Basis
4.1 Formation & Property Contributions under Section 721 4.2 Partner Liabilities under Section 752 (Recourse vs. Nonrecourse) 4.3 Partnership Tax Year, Accounting Periods & Form 1065 Filing 4.4 Family Partnerships, Gifted Interests & Income Allocations
5 Chapter 5: Partnership Basis & Loss Limitations
5.1 Outside Basis Calculations & Ordering Rules 5.2 Basis, At-Risk (§465) & Passive Loss (§469) Limitations 5.3 Excess Business Losses (§461(l)) & Related-Party Transactions (§707) 5.4 Debt Discharge: Partnership vs. S Corporation
6 Chapter 6: Partnership Operations & Distributions
6.1 Form 1065, Schedule K & Schedule K-1 Separately Stated Items 6.2 Guaranteed Payments vs. Distributive Shares 6.3 Nonliquidating & Liquidating Distributions & Section 751 Hot Assets 6.4 Centralized Partnership Audits, Notices & Opting Out
7 Chapter 7: Partnership Dispositions & Basis Adjustments
7.1 Sale or Exchange of a Partnership Interest 7.2 Optional Basis Adjustments (Section 754, 743(b) & 734(b)) 7.3 Partnership Terminations, Mergers & Divisions
8 Chapter 8: C Corporation Formation & Structure
8.1 Corporate Formation & Section 351 Transfer Requirements 8.2 Boot, Section 357 Liabilities in Excess of Basis & Section 1244 Stock 8.3 Capital Structure: Debt vs. Equity & Section 385 Principles 8.4 Controlled Groups & Closely Held Corporations
9 Chapter 9: C Corporation Operations & E&P
9.1 Form 1120 Gross Income, Corporate Deductions & 21% Flat Tax Rate 9.2 Book-Tax Differences (Schedule M-1 vs. Schedule M-3) 9.3 Current vs. Accumulated Earnings & Profits (E&P) 9.4 Accumulated Earnings & Personal Holding Company Taxes 9.5 Corporate Minimum Tax & Foreign Tax Credits
10 Chapter 10: C Corporation Distributions & Liquidations
10.1 Property Distributions, Dividends & Constructive Distributions 10.2 Stock Redemptions (§302) & Corporate Liquidations (§331/§336)
11 Chapter 11: S Corporation Eligibility & Operations
11.1 S Corporation Requirements & Form 2553 Election Rules 11.2 Election Deadlines, Late Election Relief (Rev. Proc. 2013-30) 11.3 Form 1120-S Operations, Reasonable Compensation & 2% Shareholder Fringes
12 Chapter 12: S Corporation Basis, Distributions & Taxes
12.1 Stock & Debt Basis Calculations, Ordering Rules & Form 7203 12.2 S Corp Distributions, Accumulated Adjustments Account (AAA) & E&P Tiers 12.3 Entity-Level Taxes (BIG §1374 & Passive Income §1375) & Termination
13 Chapter 13: Accounting Periods & Methods
13.1 Tax Years: Calendar, Fiscal, and 52-53 Week Years 13.2 Cash vs. Accrual Method & Section 448 Gross Receipts Test 13.3 Changes in Accounting Method (Form 3115) & Section 481(a) Adjustments 13.4 2025 Domestic Research Expensing & Foreign Research
14 Chapter 14: Business Gross Income & Inventory
14.1 Gross Receipts & Inclusions in Business Gross Income 14.2 Cost of Goods Sold (COGS) & Inventory Valuation (Cost, LCM, FIFO, LIFO) 14.3 Section 263A Uniform Capitalization (UNICAP) & Small Business Exemption
15 Chapter 15: General Business Deductions & Limits
15.1 Ordinary & Necessary Business Expenses (§162) & Disallowances 15.2 Business Meals, Gifts & Travel 15.3 Vehicle Expenses, Mileage & Substantiation 15.4 Business Interest Expense Limitation (§163(j)) & Business Taxes
16 Chapter 16: Business Losses & Net Operating Losses
16.1 Net Operating Losses (NOLs) 80% Taxable Income Cap & Carryforward Rules 16.2 Business Casualty, Theft & Disaster Losses 16.3 Business vs. Nonbusiness Bad Debts (Direct Write-Off Method §166)
17 Chapter 17: Section 199A Qualified Business Income Deduction
17.1 Section 199A Overview: 20% Deduction & Qualified Trades or Businesses 17.2 Specified Service Trades or Businesses (SSTBs) & Threshold Phase-Outs 17.3 W-2 Wage & UBIA Limitations Calculation & Aggregation Rules
18 Chapter 18: Depreciation Principles & MACRS
18.1 Depreciable Property, Cost Basis & Capitalization vs. Repair Regulations 18.2 MACRS Property Classes (3, 5, 7, 15, 27.5, 39-Year) & Depreciation Methods 18.3 Depreciation Conventions: Half-Year, Mid-Quarter (40% Rule) & Mid-Month
19 Chapter 19: Section 179 Expensing & Bonus Depreciation
19.1 Section 179 Expensing: $2.5M Limit, $4M Phase-Out & Taxable Income Limitation 19.2 2025 Bifurcated Bonus Depreciation: Pre-Jan 20 (40%) vs. Post-Jan 19 (100% OBBBA) 19.3 Listed Property Rules, >50% Business Use & Section 280F Luxury Auto Limits
20 Chapter 20: Amortization & Intangible Assets
20.1 Section 197 Intangibles & 15-Year Straight-Line Amortization 20.2 Start-Up (§195) & Organizational (§248/§709) Expenditures: $5,000 Rule & 180-Month Amortization 20.3 Depletion: Cost Depletion vs. Percentage Depletion for Natural Resources
21 Chapter 21: Business Property Dispositions & Recapture
21.1 Sale of Business Property & Reporting on Form 4797 21.2 Section 1231 Netting Process & 5-Year Lookback Recapture Rule 21.3 Section 1245 (Full Personal Property Recapture) & Section 1250 / Unrecaptured §1250 Gain
22 Chapter 22: Like-Kind Exchanges & Involuntary Conversions
22.1 Section 1031 Like-Kind Exchanges (Real Property Only, 45-Day/180-Day Deadlines) 22.2 Boot Recognition & Basis Calculation for Replacement Property 22.3 Section 1033 Involuntary Conversions & Replacement Periods
23 Chapter 23: Business Tax Credits
23.1 General Business Credit (Form 3800), Net Income Tax Limit & Carryback/Carryforward 23.2 Key Business Tax Credits: Research Credit (§41), WOTC (§51), Small Employer Health (§45R)
24 Chapter 24: Worker Classification & Information Reporting
24.1 Employee vs. Independent Contractor: Common Law Control & Form SS-8 24.2 Section 530 Relief Requirements & Consequences of Misclassification 24.3 Information Returns: Form 1099-NEC vs. 1099-MISC, Form W-2/W-3 & Backup Withholding
25 Chapter 25: Employment Taxes & Compliance
25.1 Form 941 (Quarterly Payroll Tax Return) & Federal Income Tax / FICA Withholding 25.2 Federal Unemployment Tax (Form 940) & State Unemployment Credit 25.3 Payroll Tax Deposit Schedules (Monthly vs. Semi-Weekly, $100K Rule) & Trust Fund Penalty (§6672)
26 Chapter 26: Fiduciary Income Taxation (Trusts & Estates)
26.1 Principles of Fiduciary Income Taxation & Form 1041 Filing Requirements 26.2 Fiduciary Tax Years, Exemptions & Estimated Payments 26.3 Simple and Complex Trusts, Tiers & Distribution Timing 26.4 DNI Computation & Fiduciary Expense Allocation 26.5 Income Distribution Deduction & Schedule K-1 (Form 1041) Flow-Through 26.6 Foreign Trusts, Grantor Control & Abusive Schemes
27 Chapter 27: Tax-Exempt Organizations & Farm Taxation
27.1 Recognition of Tax Exemption (Form 1023/1024) & §501(c)(3) Standards 27.2 Maintaining Exemption, Political Activity & Excess Benefits 27.3 Form 990 Series Annual Returns & Unrelated Business Taxable Income (UBTI / Form 990-T) 27.4 Unrelated Business Income & Debt-Financed Property 27.5 Farm Income, Schedule F & Conservation Costs 27.6 Farm Income Averaging & Conservation Deductions 27.7 Farm Disaster Elections & Livestock Replacement 27.8 Farm Rentals, Estimated Tax & Farm Depreciation
28 Chapter 28: Business Records, Reporting & ACA
28.1 Financial Statements, Records & Owner Transactions 28.2 Filing Extensions, International Forms & Cash Reporting 28.3 ACA Employer Size, Coverage & Reporting
29 Chapter 29: Employer & Self-Employed Retirement Plans
29.1 Qualified Plans, 401(k) Limits & Nondiscrimination 29.2 SEPs, Self-Employed Contributions & Owner Compensation 29.3 SIMPLE IRAs & Small-Employer Contribution Choices 29.4 Plan Reporting, Loans & Prohibited Transactions
30 Chapter 30: Rental Property & Passive Activities
30.1 Rental Income, Expenses & Conversion Basis 30.2 Rental Losses, Active Participation & Real Estate Professionals 30.3 Vacation Homes, Personal Days & Rental Allocations
22.3 Section 1033 Involuntary Conversions & Replacement Periods
Key Takeaways Explain This Topic AI
IRC §1033 permits taxpayers to defer gain realized from an involuntary conversion of property resulting from destruction (casualty), theft, seizure, requisition, or condemnation (or the threat or imminence thereof).
Nonrecognition is mandatory if property is converted directly into similar property, but elective if money (insurance or condemnation proceeds) is received; gain is recognized only to the extent proceeds are NOT reinvested in qualifying replacement property.
The statutory replacement period ends 2 years after the close of the first tax year in which any part of the conversion gain is realized for casualties/thefts, 3 years for condemned real property held for business or investment (§1033(g)(4)), and 4 years for a principal residence or its contents converted because of a federally declared disaster. The four-year home rule does not generally extend the period for business property.
Qualifying replacement property must generally satisfy the 'similar or related in service or use' test (functional-use test for owner-users; relationship test for owner-lessors); however, condemned business or investment real estate qualifies under the broader §1031 'like-kind' standard.
The tax basis of replacement property acquired with proceeds equals its purchase cost MINUS the unrecognized deferred gain under IRC §1033(b); Section 1033 applies exclusively to gains and never defers realized casualty or theft losses.
Last updated: October 2026
Statutory Framework of IRC §1033
Under IRC §1033 , relief is provided to taxpayers who suffer an involuntary conversion of their property. An involuntary conversion occurs when property is compulsorily or involuntarily converted as a result of:
- Destruction in whole or in part (casualty from fire, storm, shipwreck, earthquake, or other sudden accident);
- Theft ;
- Seizure ;
- Requisition or Condemnation (eminent domain by a governmental authority);
The threat or imminence of requisition or condemnation. Threat or Imminence of Condemnation Defined:
- A threat or imminence exists when the taxpayer receives official notification (or valid news reports)
- that a governmental body with eminent domain authority has resolved to acquire the property,
- and the taxpayer has reasonable grounds to believe legal condemnation will be initiated
if a voluntary sale is not negotiated. Sales to private parties under imminent threat qualify!
Mandatory vs. Elective Deferral Mechanics
The tax treatment under Section 1033 depends on the type of consideration received:
1. Direct Conversion into Similar Property (IRC §1033(a)(1))
If property is converted directly into other property similar or related in service or use (e.g., a city condemns an investor's land and deeds a substitute parcel of equivalent land to the investor), nonrecognition of gain is MANDATORY . The taxpayer has no choice; no gain is recognized, and the basis of the converted property carries over to the new parcel.
2. Conversion into Money or Dissimilar Property (IRC §1033(a)(2))
In commercial reality, almost all involuntary conversions involve money—such as an insurance settlement or a cash eminent domain condemnation award. When cash proceeds are received:
Nonrecognition is ELECTIVE : The taxpayer must affirmatively elect nonrecognition on their timely filed return.
Gain Calculation Formula : Realized Gain = Total Conversion Proceeds (Insurance/Condemnation) - Adjusted Basis of Converted Property
Unreinvested Proceeds = Total Conversion Proceeds - Cost of Qualifying Replacement Property
Recognized Gain = Lesser of: (1) Realized Gain, OR (2) Unreinvested Proceeds
If the taxpayer reinvests 100% or more of the net proceeds into qualifying replacement property within the statutory replacement period, $0 gain is recognized .
If the taxpayer reinvests less than the full proceeds, gain is recognized dollar-for-dollar to the extent proceeds are retained, capped at the total realized gain.
Caution
Section 1033 NEVER Defers Losses! Section 1033 applies strictly and exclusively to gains . If property is destroyed or condemned at a loss (Adjusted Basis > Insurance Proceeds), Section 1033 has zero application. The loss must be recognized immediately in the year sustained under IRC §165 (casualty loss) or IRC §1231 (business property involuntary conversion loss), subject to standard loss limitation rules.
Statutory Replacement Periods
To qualify for Section 1033 gain deferral, the taxpayer must acquire replacement property within a strict statutory replacement period. The replacement window begins on the earlier of the date of disposition/destruction or the date when the threat or imminence of condemnation arose, and ends after a prescribed number of years after the close of the first tax year in which any portion of the gain is realized:
Conversion Event Statutory Replacement Period Citation Replacement Property Standard
General Casualty & Theft 2 Years after the close of the first tax year gain is realized. IRC §1033(a)(2)(B) Similar or related in service or use (Functional-Use / Relationship Test).
Condemnation of Real Property (Business or Investment Use) 3 Years after the close of the first tax year gain is realized. IRC §1033(g)(4) Broad Section 1031 Like-Kind Standard (or Similar in Service/Use).
Federally Declared Disaster Areas (Principal Residence) 4 Years after the close of the first tax year gain is realized. IRC §1033(h)(1)(B) Similar or related in service or use.
Federally Declared Disaster Areas (Business / Investment Property) Generally 2 Years , unless another applicable provision or IRS extension applies, after the close of the first tax year gain is realized. IRC §1033(h)(2) Any tangible property held for productive use in a trade or business. Replacement Period Timeline Example (General Casualty):
Event: Commercial warehouse burned down on March 15, 2025.
Insurance Check Realizing Gain Received: August 20, 2025.
First Tax Year Gain Realized Ends: December 31, 2025.
Statutory Clock: 2 Years after December 31, 2025.
Final Replacement Deadline: December 31, 2027.
Important
The "Close of the Tax Year" Rule on the EA Exam :
The statutory replacement clock does NOT run from the date the fire occurred or the date the check was cashed. It runs from the close of the first tax year in which any part of the gain is realized . For a calendar-year taxpayer receiving an insurance recovery in January 2025, the 2-year clock does not start until December 31, 2025, giving the taxpayer until December 31, 2027 (nearly 3 full calendar years) to replace the asset!
Qualifying Replacement Property Standards
The Internal Revenue Code imposes two distinct legal standards for evaluating whether replacement property qualifies:
1. "Similar or Related in Service or Use" Standard
This is the baseline standard applicable to all casualty and theft conversions. The courts and IRS interpret this standard under two distinct judicial doctrines:
The Functional-Use Test (Owner-Operators) : For taxpayers who operate their own business property, the replacement property must perform the exact same functional service and possess similar operational characteristics.
Disqualified : An owner-operator cannot replace a manufacturing plant with a retail grocery store, nor can an owner replace a bowling alley with a billiard hall ( Liant Record, Inc. ).
The Relationship Test (Investor-Landlords - Rev. Rul. 64-31) : For an investor who leases property to tenants, the inquiry shifts from how the tenant uses the property to the nature of the landlord's investment relationship —specifically, management duties, tenant turnover risks, and service requirements.
Qualified : An investor who leases a warehouse on a triple-net lease can replace it with a leased retail building on a triple-net lease, because the investor's operational burdens and risk profiles are substantially identical.
2. The Broad §1033(g) "Like-Kind" Standard (Condemned Real Estate Only)
Under IRC §1033(g)(1) , if real property held for productive use in a trade or business or for investment is compulsorily or involuntarily converted as a result of condemnation or seizure (or threat/imminence thereof), the replacement standard is broadened to the like-kind standard of Section 1031 !
An investor whose unimproved raw land is condemned by the state for a highway may reinvest the condemnation proceeds into an improved commercial office building or an industrial warehouse!
Under the strict functional-use test, raw land and an office building would fail; under §1033(g), the broad like-kind standard protects the deferral. Critical Exam Distinction:
- Casualty / Fire Destruction of Real Estate: Must meet "Similar in Service or Use" Test! (§1033(g) like-kind DOES NOT apply).
- Condemnation / Eminent Domain of Real Estate: Qualifies for the broad §1031 "Like-Kind" standard under §1033(g).
3. Acquisition of Corporate Control (IRC §1033(a)(2)(A))
A taxpayer may also satisfy the replacement requirement by purchasing controlling stock in a corporation that owns property similar or related in service or use. Control is defined under IRC §368(c) as owning at least 80% of the total combined voting power of all classes of voting stock and at least 80% of the total number of shares of all other classes of stock. (Note: Corporate control acquisitions cannot be used under the §1033(g) like-kind condemnation rule; it is strictly limited to the similar in service or use standard).
Basis Calculation for Replacement Property (IRC §1033(b))
Under IRC §1033(b)(2) , when replacement property is purchased with cash proceeds from an involuntary conversion, its initial tax basis equals its purchase cost reduced by the amount of gain that was realized but not recognized: Replacement Basis Formula (Purchased Property):
- Purchase Cost of Qualifying Replacement Property
- Less: Deferred (Unrecognized) Gain on Involuntary Conversion
- ============================================================
- = Adjusted Tax Basis of Replacement Property
Holding Period Tacking (§1223(1)(A)) : The holding period of the converted property tacks onto the holding period of the replacement property, provided the converted property was a capital asset or Section 1231 asset.
Procedural Rules & Election Mechanics
Making the Election : The Section 1033 deferral election is made directly on the tax return for the year in which gain is realized (Form 4797 and Form 1040/1120). The taxpayer attaches a statement detailing the date and details of the conversion, the insurance/condemnation proceeds received, the adjusted basis, the realized gain, and the plan for replacement.
Failure to Timely Replace / Under-Reinvestment : If a taxpayer elects nonrecognition but fails to acquire qualifying replacement property before the statutory window expires, or acquires replacement property at a cost lower than the proceeds received, the taxpayer must file an amended tax return (Form 1040-X / 1120-X) for the year the gain was realized, reporting the taxable gain and paying retroactive income tax plus statutory interest.
Comprehensive Worked Numerical Example: Involuntary Conversion Reinvestment
In July 2025, a commercial warehouse owned by Metro Logistics LLC (adjusted basis $350,000) is destroyed by fire. In October 2025, Metro receives a cash insurance settlement of $600,000. Step 1: Compute Realized Gain
- Insurance Proceeds Received: \$600,000
- Less: Adjusted Basis of Destroyed Warehouse: (\$350,000)
- Total Realized Gain: \$250,000
Step 2: Determine Statutory Replacement Deadline
- Tax Year Gain Realized: 2025 (Tax year ends December 31, 2025).
- Conversion Event: Fire (Casualty) -> 2-year statutory period (§1033(a)(2)(B)).
- Replacement Window: December 31, 2025 + 2 Years = December 31, 2027.
Scenario A: Full Reinvestment in Qualifying Property
- In June 2026, Metro purchases a replacement storage facility for \$650,000.
- Reinvestment: \$650,000 exceeds \$600,000 proceeds (Unreinvested proceeds = \$0).
- Recognized Gain: \$0.
- Deferred Gain: \$250,000.
- Basis of Replacement Facility: Cost (\$650,000) - Deferred Gain (\$250,000) = \$400,000.
Scenario B: Partial Reinvestment
- In June 2026, Metro purchases a replacement storage facility for \$520,000.
- Proceeds Retained (Unreinvested): \$600,000 - \$520,000 = \$80,000.
- Recognized Gain = Lesser of Realized Gain (\$250,000) or Unreinvested (\$80,000) = \$80,000.
- Deferred Gain = Realized Gain (\$250,000) - Recognized Gain (\$80,000) = \$170,000.
- Basis of Replacement Facility: Cost (\$520,000) - Deferred Gain (\$170,000) = \$350,000.
- Verification: Notice that the \$350,000 replacement basis equals the original \$350,000 basis,
because the \$80,000 cash retained was fully recognized as taxable gain!
Official reference
2025 Publication 547 , checked October 17, 2026. Use its 2025 rules for this testing cycle.