The concept of commercial general liability insurance first arose in 1940, and since then has undergone many revisions.

Formerly known as the comprehensive general liability policy, it was designed to protect an insured against certain losses arising out of business operations.

Today, most policies follow a standard form that the Insurances Services Office, Inc. (ISO) developed in an effort to address misunderstandings, coverage disputes and litigation over the unique language under an insurer's policy.

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