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📋 '''Liability adequacy test''' is an actuarial and accounting assessment that determines whether an [[Definition:Insurance carrier | insurer's]] recognized insurance [[Definition:Liability (insurance) | liabilities]] — including [[Definition:Unearned premium reserve | unearned premium reserves]] and [[Definition:Loss reserve | claims reserves]] — are sufficient to cover expected future [[Definition:Claim | claims]], expenses, and other obligations arising from in-force [[Definition:Insurance contract | insurance contracts]]. Required under international accounting standards such as [[Definition:International Financial Reporting Standards (IFRS) | IFRS 4]] and its successor [[Definition:IFRS 17 | IFRS 17]], as well as under various national [[Definition:Generally accepted accounting principles (GAAP) | GAAP]] frameworks, the test acts as a floor check to ensure that reported liabilities do not understate the insurer's true economic obligations.

🔬 The test works by comparing the carrying amount of insurance liabilities on the [[Definition:Balance sheet | balance sheet]] against a current estimate of future [[Definition:Cash flow | cash flows]] — including projected claims payments, [[Definition:Loss adjustment expense | loss adjustment expenses]], and policy administration costs — typically derived from up-to-date [[Definition:Actuarial analysis | actuarial models]]. If the current estimate exceeds the recognized liability, the insurer must book an additional provision (sometimes called a [[Definition:Premium deficiency reserve | premium deficiency reserve]]) to close the gap, with the shortfall recognized immediately as a charge to income. The assumptions feeding the test — such as [[Definition:Loss ratio | loss ratios]], [[Definition:Discount rate | discount rates]], and claims development patterns — must reflect current conditions rather than the assumptions originally used when the policies were written, ensuring the assessment captures deteriorating trends in real time.

📉 Failing a liability adequacy test sends a clear signal to management, [[Definition:Board of directors | boards]], and regulators that an insurer's pricing or reserving may be lagging behind actual experience. The resulting charge reduces reported [[Definition:Surplus | surplus]] and can trigger heightened regulatory scrutiny, [[Definition:Rating agency | rating agency]] reviews, or [[Definition:Reinsurance | reinsurance]] renegotiations. Under IFRS 17, the concept has evolved into the broader framework of the [[Definition:Contractual service margin (CSM) | contractual service margin]] and [[Definition:Loss component | loss component]], which provide a more granular, continuous view of profitability and adequacy at the group-of-contracts level. For insurers operating across multiple jurisdictions, performing consistent liability adequacy tests is critical for consolidating financial results and maintaining confidence among investors, [[Definition:Policyholder | policyholders]], and supervisory authorities alike.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Loss reserve]]
* [[Definition:Premium deficiency reserve]]
* [[Definition:IFRS 17]]
* [[Definition:Unearned premium reserve]]
* [[Definition:Actuarial analysis]]
* [[Definition:Contractual service margin (CSM)]]
{{Div col end}}

Definition:Liability adequacy test - Revision history

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