Determine Initial Basis Of Property - CPA Reg

SECTION 1

Historical Context & Motivation

The concept of basis in federal income taxation traces its roots to the earliest attempts by Congress to measure economic income from property transactions. Before the ratification of the Sixteenth Amendment in 1913, there was no constitutional authority to tax income directly, and the question of how to measure profit or loss on the sale of property was largely academic. Once the income tax became permanent, legislators and the Treasury Department quickly realized that taxing gross proceeds without any offset for what the taxpayer originally invested would produce unjust results, taxing a return of capital as though it were profit.

Congress addressed this challenge by codifying the notion that every asset possesses an initial basis, representing the taxpayer's economic investment, which is then subtracted from the amount realized upon disposition to compute gain or loss. Over more than a century of statutory evolution, the rules governing initial basis have expanded to address an extraordinary variety of acquisition methods—purchase, gift, inheritance, exchange, and formation of business entities—each carrying its own policy rationale and computational nuance.

1913 • Sixteenth Amendment Ratified

The Sixteenth Amendment authorizes Congress to levy a federal income tax, creating the need for rules that distinguish taxable gain from non-taxable return of capital on property dispositions.

1921 • Revenue Act of 1921

Congress formally introduces the concept of 'basis' and enacts early provisions for property received by gift and inheritance, laying the groundwork for IRC §§ 1012, 1014, and 1015.

1954 • Internal Revenue Code of 1954

A comprehensive recodification organizes basis rules into the familiar IRC sections still in use today. Section 1012 establishes the general 'cost basis' rule; §§ 1014 and 1015 codify inheritance and gift basis.

1986 • Tax Reform Act of 1986

Major reforms tighten rules around like-kind exchanges (§ 1031), corporate formations (§ 351), and partnership contributions (§ 721 / § 722), significantly expanding the scope of basis determination.

2010 • Cost-Basis Reporting Enacted

Broker cost-basis reporting requirements take effect, mandating that brokerage firms track and report the initial basis of securities to both taxpayers and the IRS on Form 1099-B.

Against this historical backdrop, the central question emerges: How does a taxpayer determine the starting value—the initial basis—of a piece of property for federal tax purposes? The answer depends on how the property was acquired, and the stakes are significant because basis directly determines the amount of gain or loss recognized on a subsequent sale, exchange, or other taxable disposition.

SECTION 2

Core Principles & Definitions

At its most fundamental level, initial basis represents the taxpayer's unadjusted investment in an asset at the moment of acquisition. This figure is the starting point for the adjusted basis computation, which subsequently accounts for depreciation, improvements, and other adjustments under IRC § 1016. Because the gain or loss on any disposition equals the amount realized minus the adjusted basis, an error in computing initial basis propagates through every future tax calculation involving that asset. The Internal Revenue Code assigns initial basis through several complementary provisions, each keyed to the method of acquisition.

Cost Basis (§ 1012)

The general rule: basis equals the cost of the property. Cost includes cash paid, the fair market value (FMV) of other property given, and liabilities assumed by the buyer.

Gift Basis (§ 1015)

Property received by gift generally takes the donor's adjusted basis (a carryover basis). A special rule applies when FMV at the date of the gift is less than the donor's basis, creating a dual-basis scenario for loss purposes.

Inherited Basis (§ 1014)

Property acquired from a decedent generally receives a stepped-up (or stepped-down) basis equal to the FMV on the date of death (or the alternate valuation date, if elected).

Exchanged / Substituted Basis (§ 1031, § 358, § 722, § 732)

In tax-deferred transactions—like-kind exchanges, corporate formations under § 351, and partnership contributions under § 721—the initial basis of the property received is derived from the basis of the property given up, preserving the deferred gain or loss.

FMV as Basis

When property is received as compensation for services, the taxpayer includes its FMV in income and takes that same FMV as initial basis under the tax-benefit principle.

SECTION 3

Visual Explanation — Basis Determination Flowchart

This flowchart illustrates the four primary acquisition methods and the corresponding IRC section that determines initial basis. Note that each path feeds into the same unified framework: initial basis is subsequently adjusted under § 1016 for depreciation, improvements, and other events before computing gain or loss upon disposition.

The flowchart above represents the decision tree that a tax practitioner follows when confronted with any property transaction. The first question is always How did the taxpayer acquire the property? The answer routes you to the applicable IRC section. A purchased asset follows the straightforward cost basis rule under § 1012, while inherited property receives the favorable stepped-up basis of § 1014, eliminating any unrealized gain that accrued during the decedent's lifetime. Gifts occupy a more complex middle ground under § 1015, where the basis depends on whether the donee ultimately sells the property at a gain or a loss relative to the donor's basis and the fair market value at the date of gift. Tax-deferred exchanges produce a substituted basis that preserves the deferred gain or loss in the new property, ensuring that the tax consequence is merely postponed, not permanently avoided.

SECTION 4

Mathematical Framework

While basis rules are statutory rather than derived from first-principles mathematics, several equations formalize the computations that recur throughout property taxation. Mastering these formulas ensures both speed and accuracy on the REG section of the CPA exam.

COST BASIS (§ 1012)

Basis = Cash Paid + FMV of Other Property Given + Liabilities Assumed by Buyer

This is the default rule. Cost encompasses all capitalized acquisition costs, including commissions, title fees, and legal costs.

GIFT BASIS — GAIN COMPUTATION (§ 1015)

Gain Basis = Donor's Adjusted Basis + (Gift Tax Paid × Appreciation / Taxable Gift)

The gift tax adjustment allocates only the portion of gift tax attributable to the property's net appreciation (FMV at date of gift minus donor's adjusted basis) to the donee's basis. Appreciation / Taxable Gift is the fraction applied to gift tax paid.

GIFT BASIS — LOSS COMPUTATION (§ 1015 DUAL BASIS RULE)

Loss Basis = FMV at Date of Gift (when FMV < Donor's Basis)

If the donee sells for an amount between the donor's basis and the FMV at the date of the gift, no gain or loss is recognized. This is the 'no-man's land' or indeterminate zone.

INHERITED BASIS (§ 1014)

Basis = FMV at Date of Death (or Alternate Valuation Date)

The alternate valuation date, if elected under § 2032, is six months after the date of death. The election is available only if it reduces both the gross estate value and the estate tax liability.

LIKE-KIND EXCHANGE BASIS (§ 1031)

Basis of New Property = Adjusted Basis of Old Property − Boot Received + Boot Paid + Gain Recognized

Boot refers to non-qualifying property (typically cash or net debt relief) received or paid in the exchange. Gain recognized equals the lesser of the realized gain or the boot received.

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CPA Exam Tip

SECTION 5

Detailed Breakdown — Basis by Acquisition Type

The following diagram provides a comprehensive visual comparison of the initial basis rules across different acquisition scenarios. The emphasis here is on the dual-basis rule for gifts, which is arguably the most conceptually challenging aspect of initial basis determination and one of the most frequently tested topics on the CPA exam.

The number line above illustrates the § 1015 dual-basis concept for gifted property. The FMV at date of gift ($40,000) serves as the loss basis, while the donor's adjusted basis ($60,000) serves as the gain basis. The amber zone between these two values is the no-man's land where no gain or loss is recognized.

Acquisition Method	IRC Section	Initial Basis Rule	Key Nuance
Purchase	§ 1012	Cost (cash + FMV of property given + liabilities assumed)	Capitalize acquisition-related costs (commissions, title, legal fees)
Gift (FMV ≥ Donor's Basis)	§ 1015	Donor's adjusted basis (+ gift tax on appreciation)	Single basis; carryover from donor
Gift (FMV < Donor's Basis)	§ 1015	Dual basis: Gain basis = donor's basis; Loss basis = FMV at gift	No-man's land between the two values yields $0 gain/loss
Inheritance	§ 1014	FMV at date of death (or alternate valuation date)	Step-up eliminates unrealized gain; step-down eliminates unrealized loss
Like-Kind Exchange	§ 1031	Basis of old property − boot received + boot paid + gain recognized	Post-TCJA: applies only to real property; personal property excluded
§ 351 Corporate Formation	§ 358	Basis of property transferred − boot received + gain recognized	Must meet 80% control requirement for non-recognition treatment
Partnership Contribution	§ 722	Partner's basis in interest = basis of contributed property + cash	Liabilities affect outside basis under § 752
Compensation for Services	§ 83	FMV at the time income is recognized	Basis equals the amount included in gross income

Summary of initial basis rules by acquisition method

SECTION 6

Worked Example — Gift with Dual Basis

Assume the following fact pattern: Aunt Megan purchased stock in 2018 for $75,000. In 2024, when the stock's fair market value had declined to $50,000, she gave it to her niece, Elena. Aunt Megan paid $8,000 in gift tax on the transfer. The taxable gift amount was $50,000 (FMV at date of gift). Elena sells the stock later in 2024. Determine Elena's initial basis under three sale-price assumptions: (a) $90,000, (b) $60,000, and (c) $35,000.

Worked example

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Step 1 — Identify Key Facts

Donor's adjusted basis = $75,000. FMV at date of gift = $50,000. Because FMV ($50,000) < Donor's Basis ($75,000), the dual-basis rule of § 1015 applies. Gift tax paid = $8,000; taxable gift = $50,000.
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Step 2 — Compute the Gain Basis

For gain purposes, Elena's basis is the donor's adjusted basis, potentially increased by a portion of gift tax attributable to appreciation. However, since FMV < donor's basis, there is no appreciation (appreciation = FMV − donor's basis = $50,000 − $75,000 = negative). Therefore, no gift tax adjustment is added.

Gain Basis = $75,000
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Step 3 — Compute the Loss Basis

For loss purposes, Elena's basis is capped at the FMV on the date of the gift.

Loss Basis = $50,000
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Step 4a — Scenario A: Sale Price = $90,000

Because the sale price ($90,000) exceeds the gain basis ($75,000), Elena recognizes a gain. Gain = $90,000 − $75,000.

Recognized Gain = $15,000
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Step 4b — Scenario B: Sale Price = $60,000

The sale price ($60,000) is between the loss basis ($50,000) and the gain basis ($75,000). Elena is in the 'no-man's land.' She cannot use the gain basis because doing so would produce a loss, and she cannot use the loss basis because doing so would produce a gain. Therefore, no gain or loss is recognized. Elena's basis for this transaction is deemed to be the sale price itself.

Recognized Gain or Loss = $0
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Step 4c — Scenario C: Sale Price = $35,000

The sale price ($35,000) is below the loss basis ($50,000), so Elena recognizes a loss. Loss = $35,000 − $50,000.

Recognized Loss = ($15,000)

SECTION 7

Comparing Basis Rules — Advantages & Pitfalls

Each basis rule carries distinct planning implications. The table below highlights the relative advantages and disadvantages from a tax planning perspective, which is directly relevant both for the CPA exam and for advising clients in practice.

Basis Rule	Advantage	Pitfall / Limitation
Cost Basis (§ 1012)	Straightforward; well-documented; reflects actual economic investment.	Must include all capitalized costs; easy to under-report if acquisition expenses are overlooked.
Gift Basis (§ 1015)	Transfers gain potential to a lower-bracket donee, shifting the tax burden to someone who may owe less.	Dual-basis rule can trap losses; built-in losses are permanently lost in the no-man's land zone.
Inherited Basis (§ 1014)	Step-up eliminates all unrealized gain that accrued during the decedent's lifetime—a powerful wealth transfer tool.	Step-down also applies: if property has declined in value, the heir gets a lower basis, losing the deductible loss.
Like-Kind Exchange (§ 1031)	Defers recognition of gain indefinitely; enables portfolio repositioning without current tax cost.	Lower substituted basis in new property means larger gain when eventually sold; strict time limits (45-day ID, 180-day close).
§ 351 / § 722 Entity Formation	Tax-free formation encourages business formation by removing the tax barrier to capitalizing an entity.	Substituted basis preserves deferred gain; failure to meet control/qualification requirements triggers full recognition.

Comparative advantages and pitfalls of initial basis rules

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Key takeaway

PLANNING INSIGHT

SECTION 8

Connection to Advanced Theory — Adjusted Basis & Disposition

Initial basis is only the beginning of the story. Once established, the initial basis must be adjusted under IRC § 1016 to reflect events that change the taxpayer's investment in the property over time. Understanding how initial basis feeds into adjusted basis is essential for computing depreciation recapture under § 1245 and § 1250, calculating gain on installment sales under § 453, and determining the character of gain (ordinary vs. capital) under § 1231.

Concept	Initial Basis Focus	Advanced Application
Depreciation	Initial basis (minus salvage value, if applicable) sets the depreciable base.	Annual depreciation deductions reduce adjusted basis under § 1016(a)(2), affecting future gain calculations.
Capital Improvements	Initial basis is the starting point before any improvements are made.	Improvements are capitalized and added to adjusted basis under § 1016(a)(1), increasing the taxpayer's investment.
Casualty Losses	Initial basis helps determine the amount of loss deductible.	Adjusted basis is reduced by any casualty loss deduction claimed and any insurance reimbursement received.
§ 1231 / Recapture	Initial basis establishes the original investment benchmark.	Depreciation recapture recharacterizes gain as ordinary income to the extent of prior depreciation that reduced basis.

As you advance in your study of property transactions, you will encounter situations where the initial basis determination interacts with complex provisions such as the § 754 election in partnership taxation (which permits optional basis adjustments to partnership property upon a transfer of a partnership interest), the allocation rules under § 1060 for asset acquisitions, and the anti-abuse provisions of § 362(e) that prevent the importation of built-in losses into a corporate solution. Each of these topics builds directly on the initial basis concepts explored in this lesson.

SECTION 9

Practice Problems

Question 1: CONCEPTUAL

Which of the following best explains why § 1014 provides a stepped-up basis for inherited property while § 1015 provides only a carryover basis for gifted property?A. Inherited property is always worth more than gifted property, so a higher basis is warranted to reflect fair market value. B. The estate tax imposed under § 2001 already captures the appreciation in the decedent's estate at death, so allowing a carryover basis would subject the same appreciation to a second layer of income tax when the heir sells; gifts carry over basis because no income tax event occurs at the time of the gift and carryover basis preserves the built-in gain for future taxation. C. Congress intended to encourage lifetime giving over testamentary transfers, so the stepped-up basis rewards heirs while donors are penalized with carryover basis rules. D. The IRS administratively requires stepped-up basis for inherited property solely because estate executors cannot determine the decedent's original cost.

Show answer

Step-by-step reasoning:Step 1 – Eliminate A: The rule is not based on relative values between inherited and gifted property. FMV at death could be lower than the decedent's original cost (a stepped-down basis also applies under § 1014). A is factually inaccurate as a policy rationale. Step 2 – Eliminate C: The tax code does not express a preference for testamentary over lifetime transfers in this manner. The gift tax under § 2501 applies to lifetime transfers, and carryover basis is not a penalty but a mechanism to preserve built-in gain. C mischaracterizes congressional intent. Step 3 – Eliminate D: Administrative difficulty in tracing basis is occasionally cited as a secondary practical concern, but it is not the primary statutory or policy rationale. D is incomplete and misleading as the sole explanation. Step 4 – Confirm B: Under § 2001, the decedent's gross estate is subject to estate tax measured at FMV on the date of death (or alternate valuation date). Allowing a carryover basis after that tax has been paid would tax the same pre-death appreciation again as income when the heir sells — a double-tax result Congress chose to avoid via § 1014. Gifts, by contrast, are not income-tax events for either the donor or donee at the time of transfer. The carryover basis under § 1015 ensures the donor's built-in gain is not permanently excluded from the income tax system; the donee will recognize it upon disposition. The dual-basis rule for depreciated gifts (where basis for loss is limited to FMV at the date of gift) further prevents artificial loss-shifting from donor to donee. B correctly and completely captures both sides of the policy distinction.Correct Answer: B

Question 2: BASIC CALCULATION

Taxpayer Alex purchases a rental property for $320,000 in cash. He also pays $6,000 in closing costs (title insurance, attorney fees, and recording fees), $2,500 in real estate broker commissions, and $1,200 for a property inspection conducted as part of the acquisition process. What is Alex's initial basis in the rental property under § 1012?

Show answer

Under § 1012, Alex's initial basis equals the total cost of acquiring the property. Cost includes the purchase price and all capitalized acquisition expenses. The purchase price is $320,000. Closing costs ($6,000) and broker commissions ($2,500) are facilitative costs directly related to acquiring the property and must be capitalized into basis under Treas. Reg. § 1.263(a)-4. The property inspection fee ($1,200) is also a facilitative cost under Treas. Reg. § 1.263(a)-4(b)(1) because it is paid in the process of investigating and acquiring the property — specifically, pre-acquisition due diligence costs that facilitate the acquisition of real property must be capitalized. Therefore, all four items are included in Alex's initial basis: $320,000 + $6,000 + $2,500 + $1,200 = $329,700. Under Treas. Reg. § 1.263(a)-4, amounts paid to facilitate the acquisition of real property are capital expenditures, and pre-acquisition inspection fees fall within this category because they are incurred as part of the process of acquiring the property. Note that the land and building portions of the $329,700 basis would need to be allocated separately for depreciation purposes, but the total initial basis remains $329,700.

Question 3: INTERMEDIATE

Grandmother Rose gives stock to her grandson, Tyler. Rose's adjusted basis in the stock is $100,000. The FMV at the date of the gift is $70,000. Rose pays $12,000 in gift tax on a taxable gift of $52,000 (FMV of $70,000 minus the $18,000 annual exclusion). Tyler later sells the stock for $65,000. What is Tyler's recognized gain or loss?

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Step 1 — Identify the dual-basis rule. Because the FMV at the date of gift ($70,000) is less than the donor's adjusted basis ($100,000), the § 1015 dual-basis rule applies. Step 2 — Determine the gain basis. The gain basis equals the donor's adjusted basis: $100,000. No gift tax is added because the gift tax addition under § 1015(d) applies only to the extent of net appreciation (FMV − donor's basis). Here, $70,000 − $100,000 = ($30,000), meaning there is zero appreciation, so the gift tax addition is $0. Gain basis = $100,000. Step 3 — Determine the loss basis. The loss basis equals the FMV at the date of gift: $70,000. Step 4 — Apply the dual-basis rules to the sale price. Tyler sells for $65,000. • Is $65,000 above the gain basis of $100,000? No → no gain. • Is $65,000 below the loss basis of $70,000? Yes → a loss is recognized using the loss basis. Step 5 — Calculate the recognized loss. $65,000 − $70,000 = ($5,000) recognized loss. Note: The $12,000 gift tax paid by Rose is a deliberate distractor. The taxable gift is $52,000 (FMV of $70,000 minus the $18,000 annual exclusion). However, the § 1015(d) gift tax addition still equals zero because there is no net appreciation at the date of gift (FMV < donor's adjusted basis). The gift tax addition fraction is net appreciation ÷ taxable gift: $0 ÷ $52,000 = 0. Therefore, $0 is added to Tyler's basis under either the gain basis or loss basis calculation.

Question 4: APPLIED

Lisa owns real property (adjusted basis $200,000, FMV $350,000) that she exchanges in a qualifying like-kind exchange under § 1031 for replacement property with an FMV of $310,000 plus $40,000 in cash (boot). What is Lisa's initial basis in the replacement property?

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First, compute Lisa's realized gain: Amount realized = $310,000 (FMV of replacement property) + $40,000 (cash boot) = $350,000. Realized gain = $350,000 − $200,000 (adjusted basis of old property) = $150,000. Under § 1031, the recognized gain equals the lesser of the realized gain ($150,000) or the boot received ($40,000), so recognized gain = $40,000. Next, apply the basis formula: Basis of new property = Adjusted basis of old property − boot received + gain recognized = $200,000 − $40,000 + $40,000 = $200,000. This result makes intuitive sense: Lisa's $150,000 realized gain is partially recognized ($40,000 on the boot) and partially deferred ($110,000), and the $200,000 basis in the new property ensures that if she sells the replacement property for its current FMV of $310,000, she would recognize the remaining $110,000 deferred gain.

Question 5: CRITICAL THINKING

David's mother owns stock with an adjusted basis of $40,000 and a current FMV of $25,000. She is terminally ill and wants to transfer the stock to David. From a tax planning perspective, should she gift the stock to David now or allow him to inherit it? Explain the basis consequences of each approach, considering the dual-basis rule and the step-down rule, and recommend the optimal strategy.

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If David's mother gifts the stock during her lifetime, the § 1015 dual-basis rule applies because FMV ($25,000) < donor's basis ($40,000). David's gain basis would be $40,000, and his loss basis would be $25,000. If David eventually sells the stock for less than $25,000, he can recognize a loss—but only measured from the $25,000 loss basis, not from the mother's $40,000 basis. The $15,000 difference ($40,000 − $25,000) is permanently lost in the no-man's land. Alternatively, if David's mother retains the stock until death, § 1014 would give David a basis equal to the FMV at the date of death. Assuming the stock is still worth $25,000 at death, David's basis would be stepped down to $25,000, permanently eliminating the $15,000 built-in loss. The optimal strategy is for the mother to sell the stock herself before death and recognize the $15,000 loss ($25,000 − $40,000) on her own return. She can then gift the $25,000 cash proceeds to David (or David inherits the cash, which has a basis equal to its face value). This approach preserves the tax benefit of the built-in loss, which would otherwise be permanently wasted under either the gift dual-basis rule or the inheritance step-down rule.