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IRC §351 corporate formation: how the substantial tax-free transfer to controlled corporation framework actually works with the 80% control test, boot framework, and basis coordination

Kenji TanakaReviewed by Conor P. Brennan, Legal ResearcherJuly 10, 202616 min
Section 351Corporate FormationTax-Free Transfer80% Control Test

The substantial IRC §351 substantial tax-free corporate formation framework provides substantial substantive primary framework for substantial tax-free transfer of substantial property to substantial corporation in exchange for substantial stock. The substantial substantive framework substantially permits substantial entrepreneurs and substantial existing businesses to substantially transfer substantial appreciated property to substantial newly formed or substantial existing corporation without substantial immediate gain recognition — substantial substantive deferral framework distinct from substantial general realization principles under §1001. The substantial substantive §351(a) framework substantially requires substantial three substantive elements: substantial transfer of property, substantial in exchange for stock, with substantial transferor(s) substantially in control of corporation immediately after exchange.

The substantial substantive "control" requirement under §368(c) substantially requires substantial 80% ownership of substantial total combined voting power AND substantial 80% ownership of substantial total number of shares of substantial all other classes of stock. The substantial substantive "immediately after exchange" requirement substantially evaluates control after substantial transaction substantially completed. The substantial substantive control group analysis substantially aggregates substantial multiple transferors that substantially substantially participated in substantial integrated plan — substantial substantive analysis under substantial step transaction doctrine and substantial substantive substantive case law framework.

The substantial substantive boot framework under §351(b) substantially requires substantial gain recognition to substantial extent of substantial boot received. Substantial substantive "boot" substantially means substantial money or substantial other property received in addition to substantial stock. The substantial substantive boot framework substantially provides substantial gain recognition substantial lesser of (1) substantial realized gain or (2) substantial boot received. The substantial substantive coordination with §358 substantially provides substantial substitute basis framework for substantial transferor's substantial stock basis. The substantial substantive §362 substantially provides substantial carryover basis framework for substantial corporation's substantial basis in substantial transferred property. The substantial substantive §357 substantial liabilities framework substantially provides substantial substantive coordination when substantial transferred property substantially has substantial associated liabilities.

This is how the substantial §351 framework actually works under §351, the substantial substantive control requirement, the substantial substantive boot framework, the substantial substantive basis coordination, the substantial substantive liabilities framework, and the strategic considerations for substantial taxpayers transferring substantial property to substantial corporation.

What §351 covers

Per IRC §351(a):

Substantial substantive scope:

"No gain or loss shall be recognized if property is transferred to a corporation by one or more persons solely in exchange for stock in such corporation and immediately after the exchange such person or persons are in control (as defined in section 368(c)) of the corporation."

Substantial substantive three elements

Substantial substantive framework:

1. Transfer of property. Substantial:

  • Substantial substantive primary requirement
  • Substantial substantive framework

2. Exchange for stock. Substantial:

  • Substantial substantive primary requirement
  • Substantial substantive framework

3. Control immediately after exchange. Substantial:

  • Substantial 80% control test
  • Substantial substantive primary requirement
  • Substantial substantive framework

Substantial substantive "property" framework

Substantial substantive framework:

Substantial substantive coverage:

1. Tangible property. Substantial:

  • Substantial substantive primary coverage
  • Substantial substantive framework

2. Intangible property. Substantial:

  • Patents, copyrights, trademarks
  • Substantial substantive coverage
  • Substantial substantive framework

3. Cash. Substantial:

  • Substantial substantive coverage
  • Substantial substantive framework

4. Accounts receivable. Substantial:

  • Substantial substantive coverage
  • Substantial substantive framework

Substantial substantive non-application

Substantial substantive framework:

Substantial substantive exclusions:

1. Services. Substantial:

2. Substantial substantive accommodation transferors. Substantial:

  • Substantial substantive limitation
  • Substantial substantive analysis

Substantial substantive control requirement

Per IRC §368(c):

Substantial substantive framework:

Substantial substantive 80% control test

Substantial substantive framework:

Substantial substantive two-part test:

Part 1: 80% of total combined voting power. Substantial:

  • All voting classes
  • Substantial substantive framework

Part 2: 80% of total number of shares of all other classes. Substantial:

  • Non-voting classes
  • Substantial substantive framework
  • Substantial substantive class-by-class analysis

Both parts substantially required. Substantial:

  • Substantial substantive framework
  • Substantial substantive analysis
  • Substantial individual analysis

Substantial substantive "immediately after exchange" framework

Substantial substantive framework:

Substantial substantive analysis:

  • After transaction completed
  • Substantial substantive framework
  • Substantial substantive analysis

Substantial substantive control group analysis

Substantial substantive framework:

Substantial substantive aggregation:

Multiple transferors aggregated when:

  • Integrated plan
  • Substantial substantive framework
  • Substantial substantive analysis

Substantial substantive step transaction doctrine. Substantial:

  • Substantial substantive analysis
  • Substantial substantive framework

Substantial substantive subsequent sale framework. Substantial:

  • Pre-arranged subsequent sale may defeat control
  • Substantial substantive analysis
  • Substantial individual analysis

Substantial substantive boot framework

Per IRC §351(b):

Substantial substantive framework:

Substantial substantive boot definition

Substantial substantive framework:

"Boot" means:

  • Money received
  • Other property received (in addition to stock)
  • Substantial substantive framework

Substantial substantive boot examples:

1. Cash. Substantial:

  • Substantial substantive boot
  • Substantial substantive framework

2. Notes. Substantial:

  • Substantial substantive boot
  • Substantial substantive framework

3. Other property. Substantial:

  • Substantial substantive boot
  • Substantial substantive framework

Substantial substantive gain recognition

Substantial substantive framework:

Gain recognized = Lesser of:

  • Realized gain, OR
  • Boot received
  • Substantial substantive framework

Substantial substantive character:

  • Same character as underlying property
  • Substantial substantive analysis
  • Substantial substantive framework

Substantial substantive boot loss framework

Substantial substantive framework:

No loss recognized on §351 exchange. Substantial:

  • Substantial substantive limitation
  • Substantial substantive framework
  • Substantial substantive analysis

Substantial substantive basis coordination

The framework provides substantial substantive basis framework:

Substantial substantive §358 transferor's basis

Per IRC §358:

Substantial substantive framework:

Transferor's basis in stock received:

= Basis in property transferred - Boot received - Liabilities assumed by corporation + Gain recognized

Substantial substantive framework:

  • Substantial substantive substitute basis
  • Substantial substantive deferral preservation
  • Substantial substantive framework

Substantial substantive §362 corporation's basis

Per IRC §362:

Substantial substantive framework:

Corporation's basis in property received:

= Transferor's basis + Gain recognized by transferor

Substantial substantive framework:

  • Substantial substantive carryover basis
  • Substantial substantive built-in gain preservation
  • Substantial substantive framework

Substantial substantive built-in loss limitation. Substantial:

  • §362(e)(2) substantial substantive limitation
  • Substantial substantive framework
  • Substantial substantive analysis

Substantial substantive holding period

Substantial substantive framework:

Tacking framework. Substantial:

  • Transferor: stock holding period includes property holding period
  • Corporation: property holding period includes transferor's holding period
  • Substantial substantive framework
  • Substantial substantive analysis

Substantial substantive §357 liabilities framework

Per IRC §357:

Substantial substantive framework:

Substantial substantive §357(a) general framework

Substantial substantive framework:

Substantial substantive coverage:

Liabilities assumed by corporation generally NOT boot. Substantial:

  • Substantial substantive consumer protection
  • Substantial substantive framework

Substantial substantive §357(b) tax avoidance

Substantial substantive framework:

Substantial substantive exception:

Liabilities assumed are boot if:

  • Principal purpose is tax avoidance, OR
  • Substantial substantive non-bona-fide business purpose
  • Substantial substantive limitation
  • Substantial substantive framework

Substantial substantive §357(c) liabilities exceed basis

Substantial substantive framework:

Substantial substantive exception:

Gain recognized if:

  • Liabilities assumed exceed total basis of transferred property
  • Substantial substantive framework
  • Substantial substantive analysis

Substantial substantive impact:

  • Substantial substantive gain trigger
  • Substantial substantive framework
  • Substantial individual analysis

Substantial substantive coordination with other provisions

The framework coordinates substantially:

Substantial coordination with §1202 QSBS framework

Substantial substantive framework:

Substantial substantive coordination:

QSBS basis framework. Substantial:

  • Substantial substantive coordination
  • Substantial substantive analysis

Substantial coordination with §83(b) restricted stock framework

Substantial substantive framework:

Substantial substantive coordination:

Stock for services framework. Substantial:

  • Substantial substantive coordination
  • Substantial substantive analysis

Substantial coordination with §1244 small business stock

Substantial substantive framework:

Substantial substantive coordination:

Substantial substantive ordinary loss framework. Substantial:

  • Substantial substantive coordination
  • Substantial substantive analysis

Substantial coordination with S-corp framework

Substantial substantive framework:

Substantial substantive coordination:

S-corp formation framework. Substantial:

  • Substantial substantive coordination
  • Substantial substantive analysis

Substantial substantive distinct from §721 partnership formation

Substantial substantive framework:

Substantial substantive distinction:

§721 substantial partnership formation framework. Substantial:

  • Substantial substantive distinct framework
  • Substantial substantive comparison
  • Substantial substantive analysis

How §351 compares to other tax provisions

The framework has distinctive features:

Compared to §721 partnership formation framework: §721 substantial partnership formation. §351 substantial corporate formation. Both substantial substantive tax-free transfer frameworks but different procedural framework.

Compared to §1202 QSBS: §1202 substantial substantive exclusion framework on substantial sale. §351 substantial substantive formation framework. Substantial substantive coordination.

Compared to §1244 small business stock: §1244 substantial ordinary loss framework. §351 substantial formation framework. Substantial substantive coordination.

Compared to §83(b) restricted stock: §83(b) substantial substantive election for substantial restricted stock. §351 substantial formation framework. Substantial substantive coordination.

Compared to §1031 like-kind exchanges: §1031 substantial like-kind real property framework. §351 substantial corporate formation framework. Both substantial substantive tax-deferred frameworks.

Compared to §168 MACRS depreciation: §168 substantial depreciation framework. §351 substantial formation framework. Substantial substantive coordination through carryover basis.

Distinctive §351 features:

  • §351(a) substantial substantive tax-free transfer framework
  • §351(b) substantial substantive boot framework
  • §368(c) substantial 80% control test (voting + all other classes)
  • §358 substantial substantive transferor basis framework
  • §362 substantial substantive corporation basis framework (carryover)
  • §357 substantial substantive liabilities framework
  • §357(b) substantial tax avoidance exception
  • §357(c) substantial liabilities-exceed-basis exception
  • Substantial substantive "immediately after" control requirement
  • Substantial substantive step transaction doctrine
  • Substantial substantive control group analysis
  • Substantial substantive holding period tacking
  • Substantial substantive coordination with substantial multiple substantive provisions
  • Substantial substantive distinct from §721 partnership formation

Strategic considerations

For taxpayers planning §351 transactions:

Engage qualified tax professional. Substantial:

  • Tax attorneys, CPAs, Enrolled Agents
  • §351 substantial complexity
  • Substantial professional benefit
  • Substantial substantive expertise required

Verify substantial 80% control test carefully. Substantial:

  • §368(c) substantial substantive framework
  • 80% voting AND 80% all other classes
  • Substantial substantive analysis
  • Substantial individual analysis

Plan control group structure carefully. Substantial:

  • Substantial integrated plan analysis
  • Substantial step transaction doctrine
  • Substantial substantive framework
  • Substantial professional involvement valuable

Avoid pre-arranged subsequent sales that may defeat control. Substantial:

  • Substantial substantive limitation
  • Substantial substantive analysis
  • Substantial substantive framework

Address substantial boot framework strategically. Substantial:

  • Cash, notes, other property
  • Substantial substantive gain recognition
  • Substantial substantive analysis

Plan §357 liabilities framework strategically. Substantial:

  • §357(a) general non-boot framework
  • §357(b) substantial tax avoidance exception
  • §357(c) substantial liabilities-exceed-basis exception
  • Substantial substantive analysis
  • Substantial substantive professional involvement valuable

Document substantial §358 substitute basis carefully. Substantial:

  • Basis - boot - liabilities + gain
  • Substantial substantive framework
  • Substantial substantive documentation

Document substantial §362 carryover basis carefully. Substantial:

  • Transferor's basis + gain recognized
  • Substantial substantive framework
  • Substantial substantive documentation

Plan holding period tacking strategically. Substantial:

  • Substantial substantive framework
  • Substantial substantive analysis

Coordinate with §1202 QSBS framework: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Coordinate with §1244 small business stock: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Coordinate with §83(b) restricted stock: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Coordinate with S-corp election framework: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Coordinate with LLC vs S-corp: Substantial:

  • Substantial substantive analysis
  • Substantial individual analysis

Coordinate with choice of business entity: Substantial:

  • Substantial substantive coordination
  • Substantial substantive analysis

Coordinate with LLC operating agreement: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Address substantial services framework strategically. Substantial:

  • Services NOT property under §351
  • See §83(b) framework
  • Substantial substantive distinction
  • Substantial individual analysis

Plan substantial accommodation transferor framework. Substantial:

  • Substantial substantive limitation
  • Substantial substantive analysis
  • Substantial individual analysis

Document substantial substantive integrated plan. Substantial:

  • Substantial substantive framework
  • Substantial substantive documentation
  • Substantial individual responsibility

Address substantial §168 MACRS coordination strategically. Substantial:

  • Carryover basis affects depreciation
  • See §168 framework
  • Substantial substantive analysis

Coordinate with §179 immediate expensing: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Plan substantial built-in loss framework. Substantial:

  • §362(e)(2) substantial limitation
  • Substantial substantive analysis
  • Substantial individual analysis

Document substantial substantive transfer agreement comprehensively. Substantial:

  • Substantial substantive framework
  • Substantial substantive documentation
  • Substantial professional involvement valuable

Address substantial state tax conformity. Substantial:

  • Substantial state-specific framework
  • Substantial coordination required
  • Substantial individual analysis

Plan substantial multi-step framework carefully. Substantial:

  • Substantial step transaction analysis
  • Substantial substantive framework
  • Substantial professional involvement valuable

Document substantial substantive 80% control verification. Substantial:

  • Substantial substantive framework
  • Substantial substantive documentation
  • Substantial individual responsibility

Coordinate with §469 passive activity loss: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Coordinate with §1411 NIIT framework: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Coordinate with §199A QBI deduction: Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis

Plan substantial estate planning coordination. Substantial:

  • Substantial substantive coordination
  • Substantial individual analysis
  • Substantial professional involvement valuable

Address substantial international considerations. Substantial:

  • Substantial substantive framework
  • Substantial individual analysis

Plan substantial multi-year strategy. Substantial:

  • Substantial individual planning
  • Substantial substantive framework
  • Substantial professional involvement valuable

Watch Statutory Notice of Deficiency if audit:

  • 90-day deadline critical
  • Substantial procedural framework
  • Substantial coordination required

Coordinate with IRS Appeals framework if needed:

  • Substantial substantive coordination
  • Substantial procedural framework

Coordinate with §6404 abatement framework if applicable:

  • Substantial substantive coordination
  • Substantial individual analysis

Engage substantial qualified tax professional throughout. Substantial:

  • Substantial procedural complexity
  • Substantial substantive analysis
  • Substantial professional benefit
  • Substantial substantive expertise valuable

For taxpayers planning substantial §351 substantial tax-free corporate formation transactions, the substantial framework provides substantial substantive primary framework for substantial tax-free transfer of substantial property to substantial corporation in exchange for substantial stock when substantial three substantive elements substantially satisfied: substantial transfer of property (substantial tangible property, substantial intangible property including patents, copyrights, and trademarks, substantial cash, and substantial accounts receivable — substantial substantive exclusion for substantial services which substantially fall under §83(b) restricted stock framework), substantial exchange for stock, and substantial control requirement under §368(c) substantial 80% test (substantial substantive two-part test requiring substantial 80% ownership of substantial total combined voting power AND substantial 80% ownership of substantial total number of shares of substantial all other classes of stock) substantially evaluated "immediately after exchange" with substantial substantive step transaction doctrine analysis for substantial pre-arranged subsequent sales that substantially may substantially defeat substantial control. The substantial substantive boot framework under §351(b) substantially requires substantial gain recognition substantial lesser of (1) substantial realized gain or (2) substantial boot received (substantial cash, substantial notes, substantial other property) with substantial substantive character framework substantially same as substantial underlying property and substantial substantive limitation that substantial no loss substantially recognized on substantial §351 exchange. The substantial substantive basis coordination through §358 (substantial transferor's basis in stock received = substantial basis in property transferred - substantial boot received - substantial liabilities assumed + substantial gain recognized) and §362 (substantial corporation's basis in property received = substantial transferor's basis + substantial gain recognized by transferor — substantial substantive carryover basis preserving substantial built-in gain with substantial §362(e)(2) substantial built-in loss limitation) substantially preserves substantial deferred gain through substantial substantive coordinated basis framework. The substantial substantive §357 liabilities framework substantially provides substantial substantive §357(a) general non-boot framework for substantial liabilities assumed by corporation, substantial §357(b) substantial tax avoidance exception (substantial liabilities assumed are substantial boot if substantial principal purpose is substantial tax avoidance or substantial substantive non-bona-fide business purpose), and substantial §357(c) substantial liabilities-exceed-basis exception (substantial gain recognized if substantial liabilities assumed substantially exceed substantial total basis of substantial transferred property). The work for taxpayers is in engaging qualified tax professionals with substantial §351 expertise given the substantial procedural complexity and substantial substantive analysis requirements, verifying substantial 80% control test carefully through substantial substantive two-part analysis under §368(c), planning substantial control group structure carefully through substantial integrated plan analysis and substantial step transaction doctrine framework, avoiding substantial pre-arranged subsequent sales that substantially may substantially defeat substantial control, addressing substantial boot framework strategically through substantial substantive cash, notes, and substantial other property analysis with substantial gain recognition consequence, planning substantial §357 liabilities framework strategically given substantial substantive §357(b) tax avoidance and substantial §357(c) liabilities-exceed-basis exceptions, documenting substantial §358 substitute basis and substantial §362 carryover basis carefully through substantial substantive coordinated framework, planning substantial holding period tacking strategically, coordinating substantial §351 with substantial related provisions including substantial §1202 QSBS framework, substantial §1244 small business stock framework, substantial §83(b) restricted stock framework, substantial S-corp election framework, substantial choice of business entity framework, substantial §168 MACRS depreciation framework (substantial substantive coordination through substantial carryover basis affecting substantial depreciation), substantial §179 immediate expensing framework, substantial §469 passive activity loss framework, substantial §1411 NIIT framework, and substantial §199A QBI deduction framework, addressing substantial substantive services framework strategically (services substantially NOT property under §351 — substantial substantive coordination with §83(b) framework for substantial stock for services framework), planning substantial accommodation transferor framework carefully (substantial substantive limitation under substantial substantive case law framework), documenting substantial substantive integrated plan comprehensively through substantial professional involvement, addressing substantial state tax conformity carefully through substantial state-specific framework analysis, and engaging in substantial multi-year strategy given the substantial substantive complexity of substantial substantive tax-free corporate formation framework under §351 of the Internal Revenue Code that substantially distinguishes substantial corporate formation from substantial §721 partnership formation framework while substantially providing substantial substantive deferral framework that substantially has substantial fundamental substantive importance to substantial business formation, substantial business restructuring, and substantial substantive corporate transactions throughout substantial business lifecycle.

Kenji TanakaSmall Business & Compliance

Kenji has spent over a decade breaking down business formation, entity compliance, and dissolution across all 50 states. He has personally walked through the LLC closure process and translates dense state filing rules into plain steps anyone can follow.

Reviewed by Conor P. Brennan, Legal Researcher
General information, not legal, tax, or financial advice. Laws and procedures vary by state and change over time, and every situation is different. Confirm current rules with the relevant agency or court, and consult a licensed attorney or other qualified professional before acting on anything you read here.

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