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🔢 '''Combined single limit''' 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]] claims arising from a single [[Definition:Occurrence | occurrence]], rather than breaking the available coverage into separate sub-limits for each damage type. In [[Definition:Commercial auto insurance | commercial auto]], [[Definition:General liability insurance | general liability]], and [[Definition:Umbrella insurance | umbrella]] policies, a combined single limit (often abbreviated CSL) gives the insured maximum flexibility in how the policy limit is consumed — the entire amount is available to pay whichever type of damage dominates a particular loss event.

⚙️ Consider a commercial auto policy with a $1 million CSL: if a covered accident results in $800,000 of bodily injury to multiple claimants and $150,000 in property damage, the full $1 million limit responds to all claims in aggregate. Under a traditional [[Definition:Split limit | split-limit]] structure — say $300,000 per person / $500,000 per accident for bodily injury and $100,000 for property damage — the same loss could leave the insured with a significant uninsured gap despite carrying a nominally similar total limit. This structural advantage makes CSL policies especially attractive for [[Definition:Fleet insurance | fleet operators]], [[Definition:Contractor insurance | contractors]], and other commercial insureds whose loss scenarios are unpredictable in their injury-to-damage mix. [[Definition:Underwriter | Underwriters]] price CSL policies by modeling the combined frequency and severity distribution across both damage types, often resulting in a [[Definition:Premium | premium]] that is modestly higher than a comparable split-limit program but delivers materially broader protection.

💡 For [[Definition:Risk manager | risk managers]] and [[Definition:Insurance broker | brokers]] structuring liability programs, the choice between a combined single limit and [[Definition:Split limit | split limits]] can have significant implications for both the insured's balance sheet and the ease of placing [[Definition:Excess insurance | excess]] or [[Definition:Umbrella insurance | umbrella]] layers above the primary policy. Excess carriers generally prefer to sit above a CSL primary because it simplifies attachment analysis — there is one clear limit to exhaust rather than multiple sub-limits that may or may not be eroded depending on claim composition. As a result, CSL structures have become the industry standard for most medium-to-large [[Definition:Commercial insurance | commercial]] liability placements, with split limits largely confined to personal auto lines and certain regulated minimum-coverage contexts.

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

Definition:Combined single limit - Revision history

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