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📋 '''Follow-form''' describes a policy or [[Definition:Reinsurance | reinsurance]] contract whose terms, conditions, and exclusions mirror those of an underlying or primary policy rather than introducing independent language. In insurance and reinsurance markets worldwide, follow-form wording is a foundational mechanism that keeps layered coverage programs internally consistent — ensuring that an [[Definition:Excess layer | excess layer]] or reinsurance placement does not inadvertently create gaps or overlaps with the coverage it sits above. The concept is especially prevalent in [[Definition:London market | London market]] subscription placements, large commercial [[Definition:Property insurance | property]] and [[Definition:Casualty insurance | casualty]] towers, and [[Definition:Treaty reinsurance | treaty reinsurance]] arrangements.

⚙️ When a follow-form contract is issued, the insurer or [[Definition:Reinsurer | reinsurer]] agrees that its policy will adopt the same substantive coverage terms as a designated lead or primary policy. Rather than drafting a standalone set of insuring agreements, the follow-form layer simply references the underlying wording and states that it applies "as if" repeated in the excess contract. In practice, the follow-form layer may append a small number of modifications — such as different [[Definition:Retention | retention]] thresholds, limits, or additional exclusions — but the core coverage grant and claims-triggering language remain aligned. At [[Definition:Lloyd's of London | Lloyd's]], for example, a lead [[Definition:Syndicate | syndicate]] sets the terms on a slip, and following syndicates subscribe on a follow-form basis, streamlining the placement process. In the United States, layered [[Definition:Umbrella insurance | umbrella]] and excess [[Definition:Liability insurance | liability]] programs routinely use follow-form structures so that each successive layer responds consistently when a [[Definition:Loss | loss]] breaches the attachment point below it.

🔍 Consistency across coverage layers is not merely a convenience — it directly affects the speed and certainty of [[Definition:Claims handling | claims handling]]. When each layer follows the same form, disputes over whether an upper layer owes coverage on different terms than the primary layer are significantly reduced. However, follow-form arrangements can introduce complexity when the underlying policy is amended mid-term or when the follow-form contract contains "drop-down" provisions that trigger if a lower layer is exhausted or insolvent. Courts in multiple jurisdictions have grappled with how strictly follow-form language binds an excess insurer, making careful drafting essential. For [[Definition:Broker | brokers]] and [[Definition:Risk manager | risk managers]] structuring large programs, confirming that all follow-form layers genuinely track the lead wording — and identifying any deviations — is a critical part of the placement and renewal process.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Follow-form excess]]
* [[Definition:Excess layer]]
* [[Definition:Subscription market]]
* [[Definition:Treaty reinsurance]]
* [[Definition:Binding authority agreement]]
* [[Definition:Policy wording]]
{{Div col end}}

Definition:Follow-form - Revision history

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