ASC 805
Active
Business Combinations
Governs the accounting for business combinations using the acquisition method, including goodwill measurement and bargain purchase gains.
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Conceptual Framework Linkage
Fair value at the moment control changes hands
When an entity obtains CONTROL of a business, that transaction is treated as a genuinely NEW measurement event – assets acquired and liabilities assumed are recognised at their ACQUISITION-DATE FAIR VALUES, capturing the full economics of the deal rather than carrying forward the target's old historical costs. ASC 805 governs this "acquisition method."
A genuine joint-project standard, with one well-known remaining divergence
ASC 805 and IFRS 3 emerged from a JOINT FASB-IASB convergence project (completed around 2008-2009) and share the SAME fundamental acquisition-method structure. The single most significant remaining divergence is the NONCONTROLLING INTEREST measurement choice (Section 7) – worth knowing well, since it's the standout comparison point in an otherwise closely converged standard.
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Scope – the Definition of a Business
A simplified screen test, post-ASU 2017-01
ASU 2017-01 introduced a SCREEN test to simplify the often-contentious "is this a business or just an asset group" determination: if SUBSTANTIALLY ALL of the fair value of the gross assets acquired is CONCENTRATED in a single identifiable asset (or group of similar assets), the transaction is NOT a business – it is an ASSET ACQUISITION instead. Notably, IFRS 3 followed with its OWN broadly similar concentration test amendment in 2020 – a rare instance of IFRS adopting a structure closely modelled on a prior US GAAP change, making this a genuinely CONVERGED area today.
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The Acquisition Method – Overview
Four core steps
StepDescription
1Identify the acquirer
2Determine the acquisition date
3Recognise and measure identifiable assets acquired, liabilities assumed, and any noncontrolling interest at fair value
4Recognise goodwill or a bargain purchase gain
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Identifying the Acquirer and Acquisition Date
Substance over legal form
The ACQUIRER is the entity that obtains CONTROL – not necessarily the legally acquiring entity (a "reverse acquisition" can occur when the legal acquirer is the accounting ACQUIREE). The ACQUISITION DATE is the date control is obtained, generally the closing date – the same identification principles IFRS 3 applies.
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Recognising and Measuring Identifiable Assets, Liabilities, and NCI
Fair value, with specific exceptions
Identifiable assets acquired and liabilities assumed are recognised at ACQUISITION-DATE FAIR VALUE, with a handful of specific EXCEPTIONS to this general rule (e.g. income taxes measured per ASC 740 rather than fair value, certain employee benefit obligations measured per ASC 715, indemnification assets measured on the same basis as the indemnified item) – broadly the same general approach and exception list IFRS 3 applies.
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Goodwill Measurement
The same formula as IFRS 3
ComponentSign
Consideration transferred (fair value)+
Fair value of any noncontrolling interest+
Fair value of any previously held equity interest (step acquisitions)+
Fair value of net identifiable assets acquired−
The residual, if positive, is goodwill; if negative, it's a bargain purchase gain (Section 8).
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Noncontrolling Interest – Full Goodwill vs the IFRS 3 Choice
The standout remaining divergence
US GAAP REQUIRES noncontrolling interest (NCI) to be measured at FAIR VALUE – which effectively means the "FULL GOODWILL" method is the ONLY option: goodwill is measured as if the ENTIRE target (100%) were acquired at its implied fair value, with a proportionate share attributed to the NCI. IFRS 3 offers a GENUINE CHOICE, made on an ACQUISITION-BY-ACQUISITION basis: NCI may be measured EITHER at FAIR VALUE (the "full goodwill" method, matching the mandatory US approach), OR at the NCI's PROPORTIONATE SHARE of the acquiree's identifiable NET ASSETS (the "PARTIAL GOODWILL" method, which excludes the NCI's share of goodwill entirely). This is the single most significant divergence remaining in an otherwise closely converged standard – under IFRS, two seemingly similar acquisitions can produce DIFFERENT total reported goodwill purely based on which NCI measurement option is elected.
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Bargain Purchase Gains
Converged – immediate income recognition
If the net identifiable assets acquired EXCEED the consideration transferred (plus NCI and previously held interests) – a "bargain purchase" – the resulting GAIN is recognised IMMEDIATELY in EARNINGS at the acquisition date, after first reassessing whether all assets/liabilities were correctly identified and measured. The same immediate income statement recognition applies under IFRS 3.
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Acquisition-Related Costs
Expensed, not capitalised – converged
Costs the acquirer incurs in connection with the acquisition (legal, advisory, due diligence fees) are EXPENSED AS INCURRED, and are NOT included in the consideration transferred or capitalised as part of the acquired assets – the same treatment IFRS 3 requires.
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Contingent Consideration
Fair value at acquisition, then classification-dependent subsequent treatment
Contingent consideration (e.g. an earnout) is measured at FAIR VALUE at the acquisition date and included in consideration transferred. Subsequently, LIABILITY-classified contingent consideration is REMEASURED each period with changes through EARNINGS; EQUITY-classified contingent consideration is NOT remeasured – the same classification-dependent approach IFRS 3 applies.
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The Measurement Period
Up to one year to finalise provisional amounts
If initial accounting for a business combination is INCOMPLETE at the reporting date, the acquirer reports PROVISIONAL amounts, subsequently ADJUSTED retrospectively as new information about facts existing at the acquisition date comes to light – up to a MEASUREMENT PERIOD of ONE YEAR from the acquisition date – the same one-year measurement period IFRS 3 allows.
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Worked Example – Full vs Partial Goodwill (NCI Choice)
The same acquisition, two different IFRS outcomes
Example: An 80% acquisition
An acquirer purchases 80% of a target for $8,000,000 cash. The target's identifiable net assets have a fair value of $9,000,000. The remaining 20% NCI has an implied fair value of $2,000,000 (based on the same per-share price paid for the 80% stake).
Under US GAAP (mandatory full goodwill): Goodwill = ($8,000,000 + $2,000,000 NCI at fair value) minus $9,000,000 = $1,000,000.
Under IFRS 3, full goodwill election: SAME calculation, SAME $1,000,000.
Under IFRS 3, partial goodwill election: NCI measured at its proportionate share of net assets = 20% times $9,000,000 = $1,800,000 (not $2,000,000 fair value). Goodwill = ($8,000,000 + $1,800,000) minus $9,000,000 = $800,000 – a LOWER total goodwill figure, and NCI itself is presented at a DIFFERENT amount, purely due to the election IFRS 3 permits but US GAAP does not.
Under IFRS 3, full goodwill election: SAME calculation, SAME $1,000,000.
Under IFRS 3, partial goodwill election: NCI measured at its proportionate share of net assets = 20% times $9,000,000 = $1,800,000 (not $2,000,000 fair value). Goodwill = ($8,000,000 + $1,800,000) minus $9,000,000 = $800,000 – a LOWER total goodwill figure, and NCI itself is presented at a DIFFERENT amount, purely due to the election IFRS 3 permits but US GAAP does not.
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Worked Example – a Bargain Purchase Gain
Recognising a gain instead of goodwill
Example: An acquisition below net asset fair value
An acquirer purchases 100% of a distressed target for $5,000,000 cash. After reassessing all identifiable assets and liabilities, the target's net identifiable assets have a fair value of $6,200,000.
Bargain purchase gain = $6,200,000 minus $5,000,000 = $1,200,000, recognised IMMEDIATELY in earnings at the acquisition date, after confirming the identification and measurement of all acquired items was performed correctly.
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Disclosure Requirements
What ASC 805 requires
Name and description of the acquiree, acquisition date, and percentage of voting interests acquiredFair value of consideration transferred, by major classAmounts recognised for major classes of assets acquired and liabilities assumedAmount of goodwill, and a qualitative description of factors comprising itAmount and measurement basis of any noncontrolling interest
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Critical Judgments & Estimates
Where judgement matters most
SIGNIFICANT JUDGEMENTS
Whether an acquired set of activities/assets meets the definition of a "business"Identifying the accounting acquirer, particularly in complex or reverse acquisition structures
SIGNIFICANT ESTIMATES
Fair value of identifiable intangible assets, contingent consideration, and NCIFair value of any previously held equity interest in a step acquisition
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ASC 805 vs IFRS 3 – Comprehensive Comparison
Comparison – ASC 805 vs IFRS 3
FeatureUS GAAP (ASC 805)IFRS (IFRS 3)
Business definition screen testConcentration test (ASU 2017-01)Similar concentration test (2020 amendment) – converged
NCI measurementMANDATORY fair value (full goodwill only)CHOICE – full goodwill (fair value) OR partial goodwill (proportionate net assets)
Bargain purchase gainsImmediate earnings recognitionSame – converged
Acquisition-related costsExpensed as incurredSame – converged
Measurement periodUp to one yearSame – converged
The NCI measurement choice is genuinely the ONLY significant divergence left standing in this otherwise thoroughly converged standard – worth remembering as the single comparison point most likely to matter in practice.
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Statement Mapping
Where every ASC 805 event lands
EventStatement(s) affectedNotes
Recognition of identifiable assets/liabilities at fair valueBSAt the acquisition date
Goodwill or bargain purchase gainBS ISGoodwill capitalised; bargain purchase gain recognised immediately
Acquisition-related costsISExpensed as incurred
Liability-classified contingent consideration remeasurementBS ISRecognised through earnings each period
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Related Topics
Cross-reference map
TopicConnection
ASC 350Governs subsequent goodwill impairment testing following initial recognition here
ASC 730Governs acquired in-process R&D, capitalised at fair value per this Topic's exception to the general expense rule
ASC 810Consolidation – supplies the control determination that triggers this Topic's application in the first place
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Quick-Reference Glossary
Full goodwill method
Measuring goodwill as if the entire target were acquired at implied fair value, with NCI measured at fair value – mandatory under US GAAP, optional under IFRS 3.
Partial goodwill method
An IFRS 3-only option measuring NCI at its proportionate share of identifiable net assets, excluding NCI's share of goodwill entirely.
Financial statement key
BS Balance sheet
IS Income statement
SE Statement of changes in equity
OCI Other comprehensive income
SCF Statement of cash flows