ASC 805 and IFRS 3 concentration test: asset acquisition or business combination

When substantially all of the fair value of the gross assets acquired sits in a single identifiable asset or a group of similar identifiable assets, the acquired set is not a business. Under US GAAP that screen is mandatory and is applied first, under ASC 805-10-55-5A. Under IFRS 3 the same test exists as an optional concentration test in paragraphs B7A–B7B, which an acquirer may choose to apply to a transaction. If the test is met, the purchase is accounted for as an asset acquisition: the cost is allocated to the assets acquired on the basis of relative fair values, transaction costs are capitalized, and no goodwill is recognized.

The classification changes the numbers on day one and for years afterwards. A business combination measures identifiable assets and liabilities at fair value, recognizes goodwill or a bargain purchase gain, and expenses acquisition-related costs. An asset acquisition follows a cost accumulation model, so any premium paid over the fair value of the assets is spread across the acquired assets and later depreciated or amortized instead of sitting in goodwill and being tested for impairment. Deferred taxes, acquired research and development and contingent payments can also be treated differently.

The question arises most often in real estate purchases, acquisitions of a single license or patent, portfolio purchases of loans or leases, and life sciences deals built around one drug candidate. It also applies to disposals, because the seller's derecognition model depends on whether the set transferred is a business.

The definition is not about to change in the United States. At its meeting on July 8, 2026, the FASB considered feedback from its 2025 Invitation to Comment and decided by a 7-0 vote not to add a project on the definition of a business to its technical agenda. The guidance introduced by ASU 2017-01 therefore remains the framework for US preparers.

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HOW THE ASC 805 SCREEN TEST WORKS.

ASU 2017-01, Clarifying the Definition of a Business, added a threshold screen to ASC 805. The entity first asks whether substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or a group of similar identifiable assets. If the answer is yes, the set is not a business and the analysis stops. The FASB described the screen as a way to reduce the number of transactions that need further evaluation.

Gross assets acquired exclude cash and cash equivalents, deferred tax assets, and goodwill resulting from the effects of deferred tax liabilities. Liabilities assumed are not deducted. The comparison is therefore made on the fair value of the gross assets, which can produce a different answer from a comparison with the purchase price when significant debt or other liabilities are assumed.

ASC 805-10-55-5B defines a single identifiable asset as any individual asset or group of assets that could be recognized and measured as a single identifiable asset in a business combination. Two situations are treated as one asset for the screen. A tangible asset that is attached to, and cannot be physically removed and used separately from, another tangible asset without significant cost or significant diminution in utility or fair value is combined with it, which is why land and the building on it are evaluated together. In-place lease intangibles, including favorable and unfavorable lease terms, are combined with the related leased assets.

ASC 805-10-55-5C limits what can be grouped as similar. A tangible asset and an intangible asset are not similar. Identifiable intangible assets in different major intangible asset classes are not similar. Financial assets and nonfinancial assets are not similar, and neither are different major classes of financial assets. Different major classes of tangible assets, such as inventory, manufacturing equipment and automobiles, are not similar. Assets within the same major class that have significantly different risk characteristics are also not combined.

The standard does not define "substantially all" as a percentage. Entities apply judgment and should document how they read the term, consistently with how it is used elsewhere in US GAAP.

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THE INPUT AND SUBSTANTIVE PROCESS FRAMEWORK IN ASC 805.

If the screen is not met, the set is not automatically a business. To be a business it must include, at a minimum, an input and a substantive process that together significantly contribute to the ability to create outputs. ASU 2017-01 removed the earlier evaluation of whether a market participant could replace missing elements, and it narrowed the definition of outputs to align with the way outputs are described in ASC 606: goods or services provided to customers, investment income, and other revenues.

The framework has two sets of criteria. For a set without outputs, ASC 805-10-55-5D requires an organized workforce with the necessary skills, knowledge or experience to perform an acquired process, together with an input that the workforce could develop or convert into outputs, such as intellectual property or other economic resources. For a set with outputs, ASC 805-10-55-5E treats a process as substantive if it is critical to the ability to continue producing outputs and the acquired inputs include an organized workforce, or if the process significantly contributes to that ability and cannot be replaced without significant cost, effort or delay, or is considered unique or scarce. Acquired contracts that give access to an organized workforce can also meet the criteria.

ASC 805-10-55-5F adds that, when a set has outputs, the continuation of revenue does not on its own indicate that both an input and a substantive process were acquired. Customer contracts, customer lists and leases in which the set is the lessor are excluded from that analysis. A set that only brings tenants and their lease payments, with no workforce or other process attached, does not become a business because revenue keeps flowing.

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HOW THE IFRS 3 CONCENTRATION TEST DIFFERS.

The IASB amended the definition of a business in IFRS 3 on October 22, 2018, for acquisitions on or after January 1, 2020, following its post-implementation review of the standard. The IFRS Foundation stated that the amendment narrows and clarifies the definition, shifts the focus of outputs to goods and services provided to customers, and brings IFRS 3 closer to the FASB's 2017 amendment. It also allows a simplified assessment of whether an acquired set is a group of assets, which is the optional concentration test in paragraphs B7A–B7B.

The mechanics of the concentration test match the US screen closely: the same question about substantially all of the fair value of gross assets, the same type of exclusions from gross assets, and the same approach to single and similar assets. The main difference is the status of the test. Under US GAAP every acquirer must apply the screen. Under IFRS the acquirer may elect to apply the test transaction by transaction. If it does not elect the test, or the test is not met, the acquirer performs the full assessment of inputs, substantive processes and outputs. A failed concentration test does not mean the set is a business under either framework; it only means the detailed assessment is required.

The two frameworks are aligned enough that most transactions reach the same classification. Differences tend to appear in the accounting that follows an asset acquisition, where IFRS and US GAAP each rely on other standards.

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Question	US GAAP (ASC 805)	IFRS (IFRS 3)
Status of the test	Mandatory screen	Optional, elected per transaction
Test met	Set is not a business	Set is not a business
Test not met	Assess input and substantive process	Assess input and substantive process
Gross assets exclude	Cash, DTAs, DTL-driven goodwill	Same type of exclusions
"Substantially all"	Not defined as a percentage	Not defined as a percentage
Outputs	Aligned with ASC 606	Goods and services to customers
Asset acquisition cost	Relative fair value allocation	Relative fair value allocation
Transaction costs	Capitalized	Capitalized
Goodwill	Not recognized	Not recognized

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ASSET ACQUISITION ACCOUNTING UNDER ASC 805-50 AND IFRS.

Under US GAAP, asset acquisitions follow the cost accumulation model in ASC 805-50. The cost of the acquisition, including direct transaction costs, is allocated to the individual assets acquired and liabilities assumed on the basis of their relative fair values. No goodwill is recognized. Acquired in-process research and development with no alternative future use is expensed at the acquisition date under ASC 730, while in a business combination it is recognized as an indefinite-lived intangible asset until the project is completed or abandoned.

Deferred taxes differ between the frameworks. Under ASC 740, an asset acquisition with a difference between book and tax basis generally gives rise to deferred taxes measured with a simultaneous equation, so the recorded asset is grossed up. Under IAS 12 the initial recognition exception applies to a transaction that is not a business combination and does not affect accounting or taxable profit at the time, so no deferred tax is recognized on the initial difference.

Contingent consideration is another area of judgment. In a business combination it is measured at fair value at the acquisition date. In an asset acquisition, neither ASC 805-50 nor IFRS sets out a complete model, and practice often recognizes variable payments when they become probable and can be estimated, with the asset cost adjusted when the payment is recognized. The FASB staff handout for the July 2026 meeting recorded that several stakeholders asked the Board to clarify or align the accounting for contingent consideration in asset acquisitions; the Board chose not to add the project.

Under IFRS, the acquirer of a group of assets that is not a business identifies and recognizes the individual assets and liabilities and allocates the cost of the group on the basis of their relative fair values. Costs directly attributable to bringing the assets to their intended use are capitalized under IAS 16 and IAS 38, and separately acquired research and development projects are capitalized under IAS 38. For a broader view of the full acquisition method that applies when the test is not met, see how business combinations are accounted for under IFRS 3 and ASC 805.

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WORKED EXAMPLE: A LEASED WAREHOUSE UNDER THE ASC 805 SCREEN.

Northline Logistics buys a fully leased warehouse for USD 50,000,000 in cash and pays USD 1,200,000 of legal, survey and advisory costs directly attributable to the deal. The seller's property manager is not part of the transaction and no employees transfer. The acquired set includes the land, the building, in-place lease intangibles for the existing tenants, and some furniture and fixtures. All figures are illustrative.

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Asset acquired	Fair value (USD)	Grouping for the screen
Land	12,000,000	Single asset with building
Building	32,500,000	Single asset with land
In-place lease intangibles	4,000,000	Combined with leased property
Furniture and fixtures	500,000	Separate tangible class
Gross assets	49,000,000

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Land, building and in-place leases form one single identifiable asset with a fair value of USD 48,500,000, which is 98.98% of the USD 49,000,000 of gross assets. Northline concludes that substantially all of the fair value is concentrated in a single identifiable asset, so the warehouse is not a business under ASC 805. An IFRS reporter that elects the concentration test reaches the same answer; one that does not elect it would perform the full assessment and, with no workforce and no acquired process, would also conclude that the set is a group of assets.

The cost of USD 51,200,000 (price plus capitalized transaction costs) is allocated on relative fair values. Each asset receives its fair value share of the total cost, with the building absorbing a USD 1 rounding difference.

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Asset	Fair value (USD)	Allocated cost (USD)	Excess over fair value (USD)
Land	12,000,000	12,538,776	538,776
Building	32,500,000	33,959,183	1,459,183
In-place lease intangibles	4,000,000	4,179,592	179,592
Furniture and fixtures	500,000	522,449	22,449
Total	49,000,000	51,200,000	2,200,000

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The journal entry at the acquisition date records the assets at their allocated cost.

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Account	Debit (USD)	Credit (USD)
Land	12,538,776
Building	33,959,183
In-place lease intangibles	4,179,592
Furniture and fixtures	522,449
Cash		51,200,000
Total	51,200,000	51,200,000

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If the same set had been classified as a business, Northline would record the assets at fair value, recognize goodwill of USD 1,000,000 (USD 50,000,000 consideration less USD 49,000,000 of identifiable net assets), and expense the USD 1,200,000 of transaction costs immediately.

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Account	Debit (USD)	Credit (USD)
Land	12,000,000
Building	32,500,000
In-place lease intangibles	4,000,000
Furniture and fixtures	500,000
Goodwill	1,000,000
Acquisition-related costs (expense)	1,200,000
Cash		51,200,000
Total	51,200,000	51,200,000

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The two outcomes differ by USD 1,200,000 in pre-tax profit in the acquisition period, and by USD 2,200,000 of carrying amount that moves from depreciable and amortizable assets into either goodwill or expense. Under the asset acquisition model the extra USD 1,459,183 on the building and USD 179,592 on the in-place leases are depreciated or amortized over their useful lives and lease terms, while goodwill would only be reduced through impairment, as explained in how goodwill impairment is tested under IAS 36 and ASC 350.

A second illustration shows when the screen fails. A manufacturer acquires a plant with land and building at USD 20,000,000, manufacturing equipment at USD 15,000,000 and inventory at USD 10,000,000. The largest single or similar group is 44.4% of USD 45,000,000 of gross assets, and the three items belong to different major classes of tangible assets, so they cannot be combined. The screen is not met, and the acquirer moves to the input and substantive process framework. If the plant workforce transfers and keeps producing for customers, the set is likely to be a business.

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ASSET ACQUISITION VS BUSINESS COMBINATION DISCLOSURES.

A business combination brings the full disclosure package of ASC 805 and IFRS 3: the consideration transferred, the amounts recognized for each major class of assets and liabilities, the qualitative factors that make up goodwill, acquisition-related costs, and, for public business entities under US GAAP, pro forma revenue and earnings. An asset acquisition does not carry these specific disclosures. The acquired assets are presented within property, plant and equipment, intangible assets or other captions and disclosed under the standards for those assets.

The classification judgment itself can be material. When the conclusion depends on the reading of "substantially all", on whether assets are similar, or on whether an acquired process is substantive, preparers under IFRS consider the disclosure of significant judgments required by IAS 1, and SEC registrants consider whether the policy and the judgment belong in critical accounting estimates or in the notes. In the cash flow statement, the cash paid is presented in investing activities in both cases; capitalized transaction costs follow the asset, while expensed acquisition costs in a business combination are generally operating cash flows.

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CONCENTRATION TEST ERRORS AND JUDGMENT AREAS.

The most frequent error is comparing the largest asset with the purchase price instead of with the fair value of the gross assets. Assumed debt and other liabilities do not reduce the denominator, while cash, deferred tax assets and goodwill created by deferred tax liabilities are removed from it.

Grouping assets that the standard keeps apart is the second error. Inventory and equipment are different major classes of tangible assets; a patent and a trade name are in different classes of intangible assets; a portfolio of loans with very different risk characteristics cannot be treated as one group of similar assets.

A third error is treating a failed screen as proof of a business. Under both frameworks the detailed assessment of inputs and substantive processes still has to be performed, and a set without an organized workforce rarely meets it.

Contingent consideration, acquired in-process research and development, and deferred taxes need separate policy decisions once a deal is classified as an asset acquisition. These are the areas where US GAAP and IFRS reporters most often reach different numbers on the same transaction. When the price is below the fair value of the assets in an asset acquisition, no bargain purchase gain is recognized in the way described in how bargain purchase gains are recognized and disclosed under IFRS 3 and ASC 805; the shortfall is allocated against the qualifying assets.

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Checklist step	What to document
Identify gross assets	Fair values, excluded items
Group single assets	Attached assets, in-place leases
Group similar assets	Major classes, risk characteristics
Apply the threshold	Reading of "substantially all"
IFRS election	Whether the test is applied
If not met	Inputs, workforce, processes
Asset acquisition	Cost, relative fair values, taxes

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THE ASC 805 SCREEN AND IFRS 3 CONCENTRATION TEST IN PRACTICE.

The screen in ASC 805 and the optional concentration test in IFRS 3 ask the same question and, for most real estate, single-license and single-product deals, give the same answer. The main framework difference is that US GAAP requires the screen for every acquisition, while IFRS lets the acquirer decide whether to apply the test to each transaction. The FASB's July 2026 decision not to revisit the definition of a business means US preparers should expect ASU 2017-01 to remain in place.

The judgment lies in the inputs to the test: the fair values of the gross assets, the grouping of single and similar assets, and the interpretation of "substantially all", which neither board defines numerically. Once a transaction is classified as an asset acquisition, transaction costs, acquired research and development, contingent payments and deferred taxes require their own analysis, and those follow-on policies are where IFRS and US GAAP results can diverge.

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