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👃 '''Nose coverage''' is a provision within a [[Definition:Claims-made policy | claims-made]] [[Definition:Insurance policy | insurance policy]] that extends the reporting period backward before the policy's inception date, allowing the insured to report [[Definition:Claim | claims]] for wrongful acts that occurred prior to the start of the current policy but that have not yet been reported to any insurer. In effect, it is the mirror image of [[Definition:Tail coverage | tail coverage]] (which extends the reporting window forward after a policy expires): nose coverage reaches into the past to pick up previously unknown liabilities. The term is most commonly encountered in [[Definition:Professional liability insurance | professional liability]], [[Definition:Directors and officers liability insurance (D&O) | directors and officers (D&O)]], and [[Definition:Cyber insurance | cyber]] lines, where the gap between a wrongful act and its discovery can span years.

🔄 The mechanism hinges on the policy's [[Definition:Retroactive date | retroactive date]] — the earliest date from which covered acts are recognized. When an insured switches carriers or obtains coverage for the first time, the new [[Definition:Underwriter | underwriter]] sets a retroactive date that may predate the policy's inception. If the retroactive date is set to, say, three years before the policy begins, the insured effectively has three years of nose coverage: any claim arising from acts during those three years can be reported under the new policy, provided the insured had no prior knowledge of the potential claim. A "full prior acts" retroactive date — meaning no temporal limitation at all — offers the broadest nose coverage, while a retroactive date matching the inception date provides none. Negotiating this date is a critical element of the [[Definition:Broker | broker's]] placement strategy, particularly when transitioning an account from one carrier to another.

⏳ Without adequate nose coverage, an insured faces a dangerous gap: acts that occurred before the new policy's retroactive date and after any prior policy's expiration or tail period may have no coverage at all. This is especially acute in long-[[Definition:Tail | tail]] professional lines, where a legal error or board decision made years ago can generate litigation only now. From the [[Definition:Insurance carrier | carrier's]] perspective, offering generous nose coverage means accepting exposure for acts that occurred during periods when the insurer had no [[Definition:Premium | premium]] income or [[Definition:Risk assessment | underwriting insight]] into the account — which is why carriers often charge additional premium for broader retroactive dates or attach specific exclusions for known circumstances. For [[Definition:Policyholder | policyholders]] and their advisors, understanding the interplay between nose coverage, tail coverage, and retroactive dates is essential to maintaining continuous, gap-free protection across policy transitions.

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

Definition:Nose coverage - Revision history

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