CSL is a single number that describes the predetermined limit for the combined total of the Bodily Injury Liability coverage and Property Damage Liability coverage. This type of auto insurance coverage is a combination of all the liability limits ( Bodily injury AND Property Damage). Liability car insurance provides financial protection for drivers who harm someone else or their property while operating a vehicle. Combined Single Limit, Bodily Injury, Property Damage and Split Limit Liability insurance are types of Automobile Liability insurance available to consumers. What is a Combined Single Limit (CSL) Policy? Auto insurance policies are typically broken up into two distinct types of coverage.