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📋 '''Combined single limit (CSL)''' is a [[Definition:Liability insurance | liability insurance]] policy structure that provides one aggregate dollar limit covering both [[Definition:Bodily injury | bodily injury]] and [[Definition:Property damage | property damage]] arising from a single [[Definition:Occurrence | occurrence]], rather than breaking the limit into separate per-person, per-occurrence, and property damage sub-limits. In [[Definition:Auto insurance | auto insurance]] and [[Definition:Commercial general liability insurance | commercial general liability]] policies, a CSL gives the insured maximum flexibility because the entire limit is available to respond to whatever combination of injury and damage a covered event produces.

⚙️ Consider a commercial auto policy written with a $1 million CSL. If the insured vehicle causes an accident injuring three people and damaging a storefront, the full $1 million is available to cover all [[Definition:Claim | claims]] — whether the bulk goes to one catastrophically injured claimant or is spread across multiple parties. Under a traditional [[Definition:Split limit | split-limit]] structure, the same scenario might cap bodily injury at $100,000 per person and $300,000 per occurrence, with a separate $50,000 property damage limit, potentially leaving the [[Definition:Policyholder | policyholder]] personally exposed for amounts exceeding any individual sub-limit. [[Definition:Underwriting | Underwriters]] price CSL policies to reflect this broader flexibility, generally charging a higher [[Definition:Premium | premium]] than a split-limit policy with comparable nominal limits.

💡 For [[Definition:Risk manager | risk managers]] and [[Definition:Insurance broker | brokers]] advising commercial clients, the choice between CSL and split limits has real strategic implications. A CSL eliminates the risk of sub-limit exhaustion in asymmetric loss scenarios — particularly valuable in [[Definition:Fleet insurance | fleet]] and [[Definition:Commercial auto insurance | commercial auto]] programs where serious injury claims can skew heavily toward a single claimant. Many [[Definition:Umbrella insurance | umbrella]] and [[Definition:Excess liability insurance | excess liability]] carriers also prefer or require underlying CSL policies because they simplify the [[Definition:Attachment point | attachment point]] analysis. As [[Definition:Claim severity | claim severity]] continues to rise across liability lines, CSL structures have grown in popularity among businesses seeking cleaner, more predictable coverage towers.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Split limit]]
* [[Definition:Bodily injury]]
* [[Definition:Property damage]]
* [[Definition:Umbrella insurance]]
* [[Definition:Commercial auto insurance]]
* [[Definition:Occurrence]]
{{Div col end}}

Definition:Combined single limit (CSL) - Revision history

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