A single insurer closes the same year four times: once for its regulator, once for its shareholders, once for a European parent, and once for a European solvency filing. The net income and equity differ by millions each time, and every difference is a rule you can compute.
Each framework answers a different question. SAP asks: can this company pay claims if it stops writing business tomorrow? Generally accepted accounting principles (GAAP) asks: how much did shareholders earn this period? IFRS asks the same as GAAP but with a global measurement model. Solvency II asks: how much capital covers a one-in-two-hundred-year loss?
KEY: The purpose drives every number. Solvency accounting is conservative and balance-sheet-first, but the APPM Preamble is explicit that it is not a liquidation basis; the income statement stays a secondary focus. Investor accounting is going-concern and matched. Learn each difference as "which question is it answering."
SAP is prescribed by the NAIC Accounting Practices and Procedures Manual and enforced by state regulators. Its core moves all push surplus down for prudence.
Common mistakes
- Assuming GAAP always discounts P&C loss reserves. US GAAP generally carries P&C loss reserves at undiscounted value, like SAP. Discounting is the hallmark of Solvency II and IFRS 17, not the SAP-versus-GAAP split. The SAP/GAAP reserve difference is usually small; the DAC difference is large.
- Booking day-one profit under IFRS 17. A profitable contract sets up the CSM and releases profit over coverage. Only losses hit income at inception. Candidates who add expected profit straight to earnings get the sign and timing wrong.
- Treating all SAP bonds as fair value. Most SAP bonds sit at amortized cost by NAIC designation. Only lower designations move toward fair value. Do not mark the whole portfolio to $512,000,000 in a SAP surplus calc.
Bottom line
- Statutory accounting (SAP) serves solvency and is conservative: it nonadmits illiquid assets, expenses acquisition costs immediately, and puts the balance sheet and surplus first, with income a secondary focus.
- GAAP serves investors and going concern: it capitalizes deferred acquisition costs (DAC) and amortizes them, admits all assets, and emphasizes earnings.
- SAP values most bonds at amortized cost by NAIC designation; GAAP splits bonds into held-to-maturity (amortized), available-for-sale (fair value through equity), and trading (fair value through income).
- SAP loss reserves are generally full-value (undiscounted) except tabular and certain long-tail lines; economic frameworks discount.
Exam shortcut
To bridge SAP surplus to GAAP equity, add back the conservatism: DAC asset, nonadmitted assets, any AFS fair-value gain, and full deferred tax. Each add-back is a line you can quantify directly. For any liability question, identify the framework by its layers. Undiscounted full value is SAP. Fulfilment cash flows plus risk adjustment plus CSM is IFRS 17. Best estimate plus risk margin is Solvency II.
The full lesson (about 2,513 words, 17 min read) adds 2 worked examples, all 6 common mistakes, a self-check, free in the app.
Learning objectives
- C5
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