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📅 '''Continuity date''' is the earliest date from which a [[Definition:Claims-made policy | claims-made]] insurance policy will respond to wrongful acts or events, even when the resulting [[Definition:Claim | claim]] is first made during a later policy period. It serves as the backward boundary of coverage under claims-made forms — most commonly encountered in [[Definition:Professional liability insurance | professional liability]] (errors and omissions), [[Definition:Directors and officers liability insurance (D&O) | directors and officers (D&O)]], and [[Definition:Cyber insurance | cyber]] policies — and determines how far into the past the insured's conduct is protected. Unlike an [[Definition:Occurrence-based policy | occurrence-based]] policy, where the trigger is the date of the event itself, a claims-made policy couples two temporal requirements: the claim must be reported during the active policy period, and the underlying act must have occurred on or after the continuity date.

🔗 When an insured first purchases a claims-made policy, the continuity date is typically set to the policy's inception date, meaning there is no retroactive coverage for prior acts. As the insured renews the policy — ideally without gaps — subsequent renewals carry forward the original continuity date, gradually extending the window of retroactive protection. If the insured switches carriers, the new insurer may agree to honor the existing continuity date, accept a more recent one, or negotiate a [[Definition:Prior acts coverage | prior-acts]] exclusion that effectively resets it. The continuity date is therefore a negotiating point during renewals and marketing exercises: [[Definition:Insurance broker | brokers]] working on behalf of professional-services firms or technology companies will fight to preserve a long-standing continuity date, because resetting it creates an uninsured gap for acts that occurred before the new date but that might give rise to future claims.

💡 Preserving a favorable continuity date can be as important as the [[Definition:Limit of liability | limit]] or [[Definition:Premium | premium]] on a claims-made program. Professional firms that have operated for decades may face latent exposure from advice given years earlier; if a change of insurer forces a continuity-date reset, those legacy acts become uninsurable unless a separate [[Definition:Tail coverage | tail]] (extended reporting period) policy is purchased from the departing carrier — often at significant cost. [[Definition:Underwriting | Underwriters]], meanwhile, view the continuity date as a risk-management lever: by restricting retroactive coverage, they limit their exposure to unknown legacy liabilities. For policyholders in rapidly evolving risk categories — [[Definition:Cyber insurance | cyber]] being the most prominent example — the interplay between continuity date and the fast-changing threat landscape creates particular tension, since vulnerabilities exploited today may have been introduced years before the current policy's continuity date was set. Clear documentation and careful management of this date across successive policy periods is essential to avoiding coverage disputes.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Claims-made policy]]
* [[Definition:Retroactive date]]
* [[Definition:Tail coverage]]
* [[Definition:Prior acts coverage]]
* [[Definition:Professional liability insurance]]
* [[Definition:Extended reporting period (ERP)]]
{{Div col end}}

Definition:Continuity date - Revision history

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