Definition:Extended reporting period
📋 Extended reporting period is a provision found in claims-made policies that allows the insured to report claims for a specified window of time after the policy has expired or been cancelled, even though no new coverage is in effect. Unlike occurrence-based policies, which cover events that happen during the policy term regardless of when a claim is filed, claims-made forms require that both the incident and the report fall within the active policy period — creating a potential gap when coverage ends. The extended reporting period, sometimes called a "tail" or "tail coverage," bridges that gap by preserving the right to report incidents that occurred during the policy period but were not yet known or reported before expiration.
⚙️ When a claims-made policy terminates — whether through non-renewal, cancellation, or a switch to a different carrier — the insured typically has access to a basic extended reporting period at no additional charge, often lasting 30 to 60 days. For longer protection, carriers offer a supplemental extended reporting period that can stretch from one year to an indefinite duration, purchased for an additional premium that is usually calculated as a percentage of the expiring policy's premium. The trigger is straightforward: a claim must arise from a wrongful act or event that took place during the original policy period, and the insured must report it within the extended window. No new acts are covered — only late-surfacing reports of previously covered conduct.
💡 For professionals in lines like directors and officers liability, errors and omissions, and cyber insurance, understanding the mechanics of extended reporting periods is essential to avoiding uninsured exposures during policy transitions. A lapse in tail coverage can leave an organization vulnerable to claims that stem from past decisions or incidents — precisely the kind of long-tail risk these policies are designed to address. Brokers routinely advise clients to negotiate favorable extended reporting terms at inception, because the cost and availability of tail coverage after a policy ends can vary dramatically depending on loss history and market conditions.
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