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📂 '''Grouping contracts''' is the process under [[Definition:IFRS 17|IFRS 17]] by which insurers organize individual [[Definition:Insurance contract|insurance contracts]] into sets — called groups — that serve as the unit of measurement for recognition, valuation, and profit release. Far from being a mere administrative exercise, grouping determines how [[Definition:Contractual service margin|contractual service margin]] (CSM) is calculated and released, how profitable and unprofitable business interact on the balance sheet, and how granularly an insurer must track its obligations. IFRS 17 prescribes a specific hierarchy of aggregation: contracts must first be divided into [[Definition:Portfolio|portfolios]] of contracts subject to similar risks and managed together, then further split by profitability at inception (onerous, no significant possibility of becoming onerous, or remaining), and finally segregated into annual [[Definition:Cohort|cohorts]] based on the year of initial recognition.

🔍 The annual cohort requirement has been one of the most debated features of the standard. It prevents insurers from mixing contracts issued in different years within the same group, which means that a long-standing, profitable portfolio of [[Definition:Life insurance|life insurance]] policies must be sliced into year-by-year layers rather than managed as a single pool. Proponents argue this enhances transparency and prevents cross-subsidization of newer loss-making business by older profitable cohorts. Critics — particularly European mutual insurers and those writing intergenerationally pooled [[Definition:Participating|participating]] contracts — contend that cohort separation distorts the economic reality of products designed to share profits across generations. Some jurisdictions, notably the European Union, have debated or granted exemptions from the annual cohort requirement for certain types of intergenerationally mutualized contracts, creating a divergence from the IASB's original text.

🧮 From an operational standpoint, grouping contracts imposes substantial demands on data, systems, and [[Definition:Actuarial science|actuarial]] processes. Insurers must assess profitability at inception for every contract to assign it to the correct group — a task that requires reliable [[Definition:Expected claims cost|expected claims cost]] estimates, [[Definition:Expense|expense]] allocations, and [[Definition:Discount rate|discount rate]] assumptions at a granular level. The number of groups an insurer maintains can run into the hundreds or thousands, each requiring its own CSM roll-forward, [[Definition:Risk adjustment|risk adjustment]] calculation, and disclosure. This complexity has driven significant investments in IFRS 17 sub-ledger technology and data warehousing, particularly among large [[Definition:Life insurance|life]] and [[Definition:Composite insurer|composite]] insurers in IFRS-adopting markets. For [[Definition:Reinsurance|reinsurance]] contracts held, a parallel grouping exercise is required, adding yet another layer of analytical effort.

'''Related concepts:'''
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* [[Definition:IFRS 17]]
* [[Definition:Contractual service margin]]
* [[Definition:Portfolio]]
* [[Definition:Onerous contract]]
* [[Definition:Annual cohort]]
* [[Definition:Premium allocation approach]]
{{Div col end}}

Definition:Grouping contracts - Revision history

PlumBot: Bot: Creating definition